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1、第二章第一节获取信息的过程与方法说课稿桦南县第二中学中:孙宇光各位评委，各位老师，大家好！我说课的题目是：获取信息的过程与方法。主要分为三个方面来说课,分别是说教材、说教学策略、说教学过程。一、教材分析1、本节是整个教材的重点，因为信息技术课程的任务是培养学生的信息素养，掌握基本信息技术，具备获取信息、传输信息、处理信息和应用信息的能力，而本节内容就是达到以上目标的重要途径之一。2、教学目标：知识与技能目标：了解信息获取的一般过程，认识到信息获取活动的多样性和广泛性，掌握信息获取过程的各个环节及相互间的作用，并能提高信息获取的效率。过程与方法：主要由学生讨论，老师适时引导并汇总。情感态度与价值
2、观：通过对问题的分析，培养学生分析问题、解决问题的能力。并通过同组学生的合作，培养他们的合作精神与努力探究的好习惯。3、教学重点、难点：教学重点是对信息获取的各个环节的培析，而对获取信息方案的正确选择、成功确定则为本节课的难点。二、教学策略1、教法主要是以问题的形式进行教学，并根据学生的反映在课堂上做相应的处理。2、学法遵循认知规律，充分发挥主体作用，采用观察法、探研法，使学生独立学习和协作学习相结合。学习的过程如同学生们自己在支架上攀登，同化或顺应或同化顺应自己的知识结构，探索获取信息的一般过程，探索学习科学知识的方法，创造性地发表自己的见解，或在讨论中展示自己的才能，自己建构信息技术相关知
3、识，真正发挥学生课堂主体作用。3、媒体运用基于本次课整体设计特点，采用网页形式即可较好完成本次教学任务。三、教学过程1、教学引入刚刚踏进学校，对于现在的学校我们都不是很了解，学校为了帮助我们进一步了解学校，要求每一个班都要搞一期以学校为主题的板报，那我们要按怎样的步骤来做呢？提问负责搞班上板报的学生。2、讲解过程（一）、确定信息的需求1）、制定信息需求内容大纲如：1、学校的历史2、学校的师资力量3、学校的环境2）、确定成果目标的形式及所需要载体类型文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 Z
4、X9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2
5、S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档
6、编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2
7、B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10
8、G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 H
9、Z2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7
10、N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4板报文字、图片其它：论文文字演示文稿文字、图片、声音、视频注：不同的目标形式对应着不同的载体类型。3）、列出需求清单包括：需求内容，所需载体类型，成果目标形式等内容。如：学校的历史文字学校的师资力量文字、图片学校的环境文字、图片过渡：（提问）我们知道了要取得学校的历史、师资力量、环境等方面的相关信息，那我们可以从哪
11、里得来这些信息呢？比如说我们要了解学校的历史，那我们可以到阅览室查看一些相关的资料，同时也可以问一下我们的老师或者师兄师姐等；而对于学校的环境呢，我们则可以通过亲自观察学校本身来了解情况。（边讲边列举相关内容）（二）、确定信息的来源1）、媒体包括：报纸、书刊、广播、电视、录像等2）、他人包括：老师、朋友、同学、父母等3）、事物本身亲自研究观察学校里面各方面的情况。文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX
12、9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S
13、7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编
14、码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B
15、10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G
16、1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ
17、2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N
18、4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4注：信息源越广阔，收集的信息量就越大；信息源越可靠，收集到的信息就真实可信。过渡：（提问）我们知道需要哪些信息，也知道这些信息从哪里来了，那我们就要进行采集信息了，通常我们采集信息的方法有哪些呢？（三）、采集信息1、采集信息的方法注：不同的信息源有不同的采集方法。（边举例边讲解）1）通过检索媒体采集信息举例：按图书馆的分类目录检索、按时间或节目类别收听或收看广播电视节目等。2）通过与他人交流采集信息
19、举例：请教老师或父母、与同学讨论等。3）通过亲自探究事物本身获取信息举例：直接观察学校的各种情况2、采集信息的工具举例：扫描仪、照相机、摄像机、录音设备、计算机等。附：各设备的图片一张过渡：我们采集到得信息都是比较零散杂乱的，也不可能说我们采集到了信息就马上把它放到板报上，肯定是要先把它整理放好，以后再用。（四）、保存信息1、整理信息、分类保存文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文
20、档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY
21、2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B1
22、0G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6
23、HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M
24、7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7
25、ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q
26、2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H42、输入计算机保存特点：容量大，可根据需要按不同形式存储。数字化格式直接输入计算机中存储如：数码相机照的相可直接输入到计算机中。非数字化格式经软件处理后输入计算机中存储如：传统相机照的相需经过扫描仪处理后才可以输入到计算机中。小结：本节课主要介绍了获取信息的基本过程和方法，通过本节课的学习，我们了解到获取信息的基本过程是确定信息需求、确定信息来源、采集信息、存储信息，并且了解到信息的各种来源，以及采集信息的各种方法和采
27、集信息的各种工具，并学会如何将信息进行分类整理和保存，将得到的信息为自己所用。希望同学们在以后遇到的问题中，可以根据本节课所学习的内容思路来解决问题。练习：填写信息采集卡学校板报信息采集卡四、说小结现代社会，提出了一个全新的关于人才的概念：新型人才。而评价新型人才的一个重要标准就是信息获取能力。通过本节课的学习，希望同学们能加强信息意识，拓宽信息获取的途径，准确地找到适合自己的信息获取方法，提高信息获取的效率。文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B
28、10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G
29、1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ
30、2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N
31、4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX
32、9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S
33、7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4文档编码:CY2B10B10G1V6 HZ2J4M7N4H7 ZX9N8Q2S7H4