dt If you divide both sides by dt, which mathematicians cannot do, but physicists can, then you get /dt=ds/dt d theta/dt equals ds/dt, and v/l that is the velocity divided by l.

如果两边同除以，数学家不会这么做，但是物理学家可以,得到dθ,等于。

youdao

The interaction between MNEs R&D institution and RIS is the results of gamble by both sides and is beneficial to each other.

跨国公司研发机构与本土互动是双方反复博弈的结果，建立互动关系是一种双赢策略。

youdao

Bring hands together (see Photo d), and then back out to sides.

双手合拢(见图d)，然后回到两侧。

youdao

D-Commerce and the Pixel Web are two sides of the same coin.

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Senate Majority Leader Harry Reid, D-Nevada, said the measure met demands from both sides.

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Both sides see a historic crossroads, like an energy version of D-Day or Waterloo, in which the winner will determine energy and climate policy for decades to come.

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