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1、电大机械制图期末考试复习题资料小抄电大考试必备电大机械制图期末考试复习题资料参考 1. 已知ABC在两条平行线DE、FG所确定的平面内，试完成ABC的水平投影。 由题目已知ABC在两条平行线DE、FG所确定的平面内，则存在ab与直线de的交点k和k，存在直线ab与fg的交点m和m， 由mk连线和ac电的投影，确定了直线ac在俯视图的位置：同理，通过n点确定点b的位置， k m m k c a b n n 2、 已知CD为ABC内的一条水平线，完成ABC的正面投影。 3、 推断空间位置 直线AB在 水平面投影（或H） 面的投影有积聚性，因此称之为 铅垂线 直线CD在 侧面投影（或W） 面的投影反
2、映实长，因此称之为 侧平线 平面P在 侧面投影（或W） 面的投影有积聚性，因此称之为 侧垂面 平面Q在 侧面投影（或W） 面的投影反映实形，因此称之为 侧平面 4、尺规绘图 知切割体的正面投影和水平投影，完成其侧面投影 1.已知切割体的正面投影和水平投影，完成其侧面投影 5已知物体的左视图和俯视图，完成其主视图并取半剖视 6、读图 7、标注（尺寸数字以图上量取值为准） 8、如图所示，已知主视图和俯视图，完成给出零件的画侧视图。 要求：图中斜截交圆柱面的平面交线须要表示至少一个一般点的求解过程。 答案 9、如图所示，补全零件图的剖视图 10、标注，如下图所示，在图中标注尺寸，所标注尺寸数值按1：
3、1的比例从图中量取，取整数，并按表中给出地Ra数值在图标注表面粗糙度。 表面 A B C D 其余 Ra 6.3 6.3 1.6 6.3 12.5 11、如下图所示，已知主视图和俯视图，完成给出零件的画侧视图。 要求：图中斜截交圆柱面的平面交线须要表示至少一个一般点的求解过程。 答案 12、如下图所示，已知侧视图和俯视图，画主视图。 13、如下图所示，已知主视图和俯视图，画侧视图。 14、如下图所示，已知侧视图和俯视图，画主视图 请您删除一下内容，O(_)O感谢！2015年中心电大期末复习考试小抄大全，电大期末考试必备小抄，电大考试必过小抄请您删除一下内容，O(_)O感谢！2015年中心电大期
4、末复习考试小抄大全，电大期末考试必备小抄，电大考试必过小抄The battle for young viewers CCTV is embracing Internet culture and working with independent producers on TV shows to woo audiences under 35. Han Bing bin reports. After charming audiences with his warm smile for 14 years, China Central Television host Li Jiaming recentl
5、y found himself targeted by a group of young netizens unhappy with his style. The complaints came after Li hosted the premiere of Rising Star on Oct 31. It is a singing competition show that originated in Israel. Many young netizens found his hosting style slow and boring and mocked it as “CCTV even
6、ing gala style“. They even initiated an online campaign to replace him. The 40-year-old hosts reaction to the criticism was surprising. During the second episode, he jokingly called himself “the slow Jiaming“ and acted much younger, talking faster and louder. “Its like selling a product. When the cu
7、stomers file a complaint, you must change,“ says Li. “In the Internet age, you get feedback very quickly. These young people are so cute. When youre willing to change for them, they will quickly like you back.“ In order to win more young viewers, CCTV is relying on programs such as Rising Star to em
8、brace Internet culture. In Rising Star, a studio audience and fans watching on television vote for their favorite singers in real time, using the instant-messaging app WeChat. Rising Star was designed to be a live broadcast, but the Chinese version isnt because of policy reasons. Still, WeChat votes
9、 by viewers at home are still a major factor in determining which contestants advance to the next round. In the shows latest episode, more than 6.5 million votes were cast via WeChat. “Now the competition among entertainment shows is very fierce. Audiences have more diverse needs. CCTV needs to embr
10、ace an open attitude, interact with young audiences and blend with the Internet,“ says Lyu Yitao, director of CCTVs entertainment channel. The producer of Rising Star, Enlight Media, says the program will have “a phenomenal effect“ given CCTVs audience base nationwide. “But it comes with a challenge
11、,“ says Zhang Hang, chief producer of the program and CEO of Enlight Medias TV business. Unlike top-ranking provincial satellite channels such as Hunan TV, which have a large base of young fans thanks to a series of phenomenally popular entertainment and reality shows, CCTV productions are usually m
12、ore conservative and serious, and thus have a much older audience base. “If we were to run this program on Hunan, we may attract twice as many viewers,“ says Zhang. “But since we didnt make it there, we now have to make the best out of the given conditions. And it means we have to make certain compr
13、omises.“ When the current season of Rising Star ends, Zhang says his company will conduct an overall evaluation of the program and make adjustments for future seasons. Although audience ratings havent lived up to Zhangs expectations, he says the program has already helped CCTV attract more young peo
14、ple. According to Enlight Media, the number of people ages 15 to 35 who watched the first episode of Rising Star was 76 percent higher than the usual audience for CCTV entertainment productions. In order to attract young audiences, CCTV has been working with independent production companies. As one
15、of CCTVs closest partners, Enlight Media has produced several entertainment and reality shows for the companys channels, including the Chinese version of The Biggest Loser on CCTVs business channel and an original teenager talent show Shaonian Zhongguoqiang (Strong Young Chinese) on CCTV1. This year
16、 CCTV also licensed EE-Media, the producer of the popular Super Girl talent shows, to produce the talk show Hi! 2014, hosted by Taiwan pop star Harlem Yu and one of Chinas most popular TV stars Xie Na. The show is geared toward younger audiences. Canxing Productions, which rose to fame with the succ
17、ess of its Voice of China series on Zhejiang TV, also produced two talent shows for CCTV. One is an original production called Songs of China, which ended up as one of CCTVs most watched programs of 2014. The State Administration of Press, Publication, Radio, Film and Television announced earlier th
18、is year that, starting in 2015, only one music talent show can be aired nationwide during prime time each season, and there can be only one program based on foreign formats each year. However, domestic media report that such policies dont apply to CCTV, meaning it will become a highly desired platfo
19、rm by production companies. Wang Changtian, CEO of Enlight Media, confirmed to the Shanghai Securities News that its programs scheduled to air on CCTV next year, which include at least two reality shows, wont be affected. A kung fu-themed reality show, produced by Canxing, is also reportedly schedul
20、ed to run on CCTV next year. CCTV is “very active. The level of its acceptance of new ideas is even beyond my imagination,“ says Zhang Hang. “Our cooperation with CCTV will surely continue.“ When winter comes, nothing is more relaxing than a hot spring bath. For thousands of years, natural mineral-r
21、ich hot spring baths have also been used to relieve health ailments. The water found in natural hot springs contains a variety of different minerals, and the most common one is sulfur. It has a “rotten egg“ smell but is excellent for skin. The sulfur-containing water might be just what the doctor ordered when it comes to relieving pain, stress, itchy skin, arthritis and more. Hot springs resorts are thriving as biting cold winter arrives. Here we take a look at some of the best natural hot springs China has to offer.