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And now what is to be regarded as the clue to curvilinear motion?
然而现在应该把什么看作是曲线运动的线索呢？
youdao
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The door body of the automatic door has no curvilinear motion and complex motion.
自动门的门体一般无曲线运动和复合运动形式。
youdao
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The door body of the automatic door has no curvilinear motion and complex motion.
自动门的门体一般无曲线运动和复合运动形式。
youdao