outer gimbal ring

常見例句

雙語例句

• The products of inertia of the inner or outer gimbal ring may not be equal to zero, if the rings have not been dynamically balanced.
  如果陀螺儀的內(nèi)環(huán)或外環(huán)沒有經(jīng)過動(dòng)平衡，就不能認(rèn)爲(wèi)它們的慣性積等於零。
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