polar front

常見例句

用作名詞 (n.)

• Pollen grain trilobate in polar view.
  花粉粒三裂在極面觀。
• The angles refer to the polar view angle, i.e. the angle measured from the vertical.
  角涉及到極面觀的角，例如垂直物上測(cè)量的角。
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