Pulling up hard, Stricklin was trying to get the plane into a position in which he just might survive an ejection and still spare the crowd below.
就这样,斯特里克林拼命拉升着飞机,尽量让飞机进入一个既有利于自己活着弹射出去,又能够拯救下面的观众的位置。
To reproduce the landscape in 3-D, a twin-engine plane flew over the city and fired laser beams through the dense tree canopy. The beams bounced off the ground, buildings, and other structures below.
为了在3 - D模型中重现,一架双引擎飞机飞越城市和浓密的树冠,发射并采集从地面,建筑物和其他结构反射回来的激光束。
But along with a smattering of more distant background galaxies, the deep image also reveals a curious box-shaped inner halo extending far above and below this galaxy's dusty plane.
但是除了我们略知一二的更遥远背景星系以外,这张深空图像也提示了一个罕见的盒状内晕,在星系多尘的盘面之上和之下伸展到很远。
So that you take every sodium and you count all of its nearest neighbors, next nearest neighbors, next next nearest neighbors, not only on a line but in the plane and above and below in all three dimensions and go through that calculation, it is even more negative.
你考虑到每一个钠原子,你要考虑到它最近的原子,第二近的原子,第三近的原子,不是在一条线而是在一个面上,以及面上与面下的三维空间,再完成计算,这将会更负。
So pi bonds have electron density both above and below the bond axis, but they actually have a nodal plane at this z, this bond axis here.
键在键轴之上,和之下都有电子密度,但它们在z方向有节面,这是键轴的地方。
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