We study the beam paths in uniaxial crystal with arbitarily oriented optical axis in general conditions, by it′s plane and ellipsoid of refraction index and Fresnel law.

从菲涅耳定律出发，利用单轴晶的折射率面和光率体，讨论了在一般情况下单轴晶内部的光路问题。

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Now, you could ask yourself the question: What is the velocity of that plane when it is at that point s?

现在，你们可以问自己一个问题：，飞机在飞到s点的时候，速度是多少？

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S, have the capacity for autonomous flight and navigation.A radio-controlled plane becomes an autonomous drone when it is given an autopilot, which Mr.Anderson calls "giving the plane a brain."

当无线遥控飞机装上安德森先生称做“飞机的脑子”的自动驾驶仪，无线遥控飞机就成了自主飞行的无人驾驶飞机。

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Post and the famous American humorist Will Rogers were killed when Post's plane crashed on takeoff near Point Barrow.

VOA: special.2009.03.18

Suppose I want to do little piece of code that's going to do planar geometry, points in the plane.

好，因此我需要一些,把这些东西收集到，一起的一些方式。

麻省理工公开课 - 计算机科学及编程导论课程节选

So even though we see a nodal plane down the center, I just want to really point out that it's only when we have a nodal plane in the internuclear or the bond axis that we're calling that a pi orbital.

虽然在中间有个节面，我想要指出的是,只有节面在核间轴,或者键轴上时,我们才叫它π轨道。

麻省理工公开课 - 化学原理课程节选

Right-wing French terrorists reportedly tried to return the favor by attempting to sabotage Mattei's plane.

FORBES: Magazine Article

Yet scarcely was Mr Powell's plane out of Saudi skies before the caveats blew in.

ECONOMIST: Prickly, paranoid and occasionally pragmatic

The two lawyers flew back to Albany in Thuillez's plane after dropping off the couple in Boston.

NPR: NY Plane Crash Passengers ID'd As Patient, Wife