他们取了个晶体,一个具有规则原子平面的,镍晶体,这些面间距差不多也是一埃或者更少,它们放射出X射线。
They took a crystal, this is a single crystal of nickel that has regular planes of atoms, and those planes are spaced on the order of an angstrom or less apart, and they irradiated this with x-rays.
上一次海平面骤升的时间距今十二万年,那时海平面的上升高度比现在的还要高出18英尺。
The last time there was a major rise, 120, 000 years ago, the sea level rose around 18 feet above current levels.
通过调整结构剪力墙的厚度和间距解决了建筑平面偏长的问题,结构的刚度分布和位移反应比较合理。
By adjusting the thickness and space of the shear wall, the problem that the plane is a bit long is solved, and the rigidity distribution and displacement response are reasonable.
They took a crystal, this is a single crystal of nickel that has regular planes of atoms, and those planes are spaced on the order of an angstrom or less apart, and they irradiated this with x-rays.
他们取了个晶体,一个具有规则原子平面的,镍晶体,这些面间距差不多也是一埃或者更少,它们放射出X射线。
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