[计] 向量加法

vector addition的用法和样例:

例句

  1. This tests your knowledge of the principles of vector addition and the summation of forces around a point.这个测试你对向量加法原理及作用于同一点的外力总合的认知。

[00:03.15]第二单元 课文A [00:06.30]tax [00:08.07]税(款) [00:09.85]generally [00:11.31]一般地,通常,大体上 [00:12.77]federal [00:14.15]联邦的 [00:15.52]type [00:16.95]类型,种类 [00:18.39]salaried [00:19.87]拿薪水的,领工资的 [00:21.34]salary [00:22.71]

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