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试从一两个应用实例出发,谈谈多媒体技术在各应用领域的重要性。

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()是指同时带有翻领和驳头的一类领型。驳头是指衣身门襟处向外翻折的部分。

社区服务与社会实践活动课程是必修的学习领域,学校不能灵活使用基本的课时。

A. 正确
B. 错误

If the cargo gear on your vessel is equipped with a regular guy and a preventer guy,you should().

A. let the schooner guy take most of the strain,thus transferring the load to the opposite boom
B. leave the preventer guy slack
C. secure them as close together as possible on deck
D. secure them so the angle between them is 90°at the boom head

什么是电位滴定法?

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