原声例句
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Most of the time, when we deal with vectors, we don't draw these arrows anymore.
多数情况下,当我们处理矢量时,就不再画出这些箭头了
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Okay, so the rule for adding the two vectors is, you draw the first one and at the end of that first one, you begin the second one.
矢量的加法法则就是,先画出第一个矢量,然后在它的终点,再画第二个矢量
应用推荐
$firstVoiceSent
- 来自原声例句