常見例句

• In this paper, using the fundament of relative distance being unchanged from eachdot spherical surface to center, we measured for the window of spherical suthee on a spin-stand of twodimensions.
  本文利用球面各點(diǎn)到球心的距離相對(duì)不變的基本原理，在一個(gè)高精度的二維旋轉(zhuǎn)支架上測(cè)試球面殼窗的同心度。
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