常見(jiàn)例句

雙語(yǔ)例句

• It is well known that the earth tide causes the temporal variations of gravitational field.
  精密和詳細(xì)測(cè)定地球重力場(chǎng)及其時(shí)間變化，是目前衛(wèi)星重力測(cè)量的主要課題。

權(quán)威例句

• Tide: periodic rising and falling of large bodies of water resulting from the gravitational attraction of the moon and sun acting on the rotating earth.
  UNESCO: L O S S A R Y
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