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【判断题】
塑料件漆面修复时,可以使用普通底漆。A.
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B.
错误
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【简答题】阅读理解。 The first robots were invented in the 1920s.Robots have appeared in many American films. In some films, they are stronger, faster and cleverer than people. In real life, robots are mainly used i...
【简答题】Industrial robots are already working in many factories around the world and in our homes, for instance as smart vacuum cleaners. Scientists say in a few years we will start seeing so-called “social r...
【简答题】People began to make robots about several hundred years ago. In the past, some of the early ones looked like animals or humans. However, they couldn’t talk and were pretty dumb . They worked like cloc...
【简答题】分析化学是化学测量和表征的科学,按照分析的目的来分,分析化学可以分为 、 、和结构分析等 。
【简答题】水准测量的误差包括【】、【】、【】_.
【简答题】水准测量误差包括 误差 、 误差 、 外界条件影响 产生的误差三个方面。
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