速度矢的等于它的矢径对时间的一阶导数。 -题库考试答案搜索网

速度矢的等于它的矢径对时间的一阶导数。

判断题

2021-07-17 23:54

A、true
B、false

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正确答案

A

试题解析

标签：工程力学 2020年第二学期期末考试勘查技术与工程专升本建筑工程技术高起专机械制造与自动化机械电子工程工程力学Ⅰ 机械工程材料焊接技术与自动化

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