Each subscript refers to a coordinate which represents the location and direction of a force or of a displacement.
英
美
- 每一脚标指的是代表一个力或一个位移的位置和方向的坐标。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries