polar front

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• polar front相关词

英汉例句

用作名词 (n.)

• Pollen grain trilobate in polar view.
  花粉粒三裂在极面观。
• The angles refer to the polar view angle, i.e. the angle measured from the vertical.
  角涉及到极面观的角，例如垂直物上测量的角。

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