Viewed from profile the line of the skull is on a practically parallel plane to the foreface or muzzle.

观察轮廓，可以发现，脑袋的轮廓线与口吻（前脸）的轮廓线相互平行。

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Calculation of punch through limited breakdown voltage for parallel plane junction has been examined in this paper.

本文研究平行平面穿通结击穿电压的计算。

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Bulk optical polishing and segmenting manufacture method which is usually used for parallel plane dements, is not suited for micro-wedge mirrors.

微楔形镜的加工不能像平行平面元件那样，采用大块抛光，切片分割的办法。

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The plane also uses two batteries in parallel where Boeing uses one, reducing the power that each one stores and discharges, Airbus officials said.

WSJ: Dreamliner-Like Batteries Raised Concerns

Instead of converging to a point on a focal plane behind the lens, the rays spread out so as to run in a thick stream roughly parallel to each other (see chart).

ECONOMIST: MONITOR