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汉语拼音：kōng xué

1.实心的物体或平面中的窟窿。

2.晶体中存在的孔（如半导体中的），是由于一电子在晶体粘合中离开其正常的位置所致，在许多方面与正电荷粒子是等值的。

1. 岩洞。

   《淮南子·原道训》：“乔木之下，空穴之中，足以适情。” 高诱 注：“空穴，巖穴也。”

• On this basis, that the only particles in nature are electrons and protons, it seemed to me that the holes would have to be the protons.

  在这个基础上，自然界中仅有的粒子是电子和质子，这告诉我这种空穴只能是质子。

• Bridging : When two or more catalyst pellets wedge together to form a bridge in the reactor tube with a void volume underneath.

  架桥：当两个或多个催化剂颗粒在反应管中挤在一起形成桥路，从而导致下方出现空穴的现象。

• Across the room, strapped to a strange medical table, and with a pair of gaping sockets where his eyes should have been, lay Tyler Scindere.

  越过这个实验室，实验体在一个古怪的医疗桌上被用绑带固定着，眼窝处只剩下两个黑洞洞的空穴，那里躺着泰勒-辛德尔。

• He said boldly that the holes had to have the same mass as the electrons.

  他大胆地认为空穴的质量就是和电子的质量相同。

• The cavitating flow in a nozzle hole is thought to be a very important factor to affect diesel fuel spray characteristics.

  柴油机喷嘴内部空穴流动是影响喷雾特性极为重要的因素。

• And this mathematical approach led directly to the conclusion that the holes would have to have the same mass as the electrons.

  而这种数学方法直接导出空穴质量必须与电子相同的结论。

• Oppenheimer just said that there was some reason, which we do not understand, why the holes are never observed.

  奥本海默只是说，这其中存在某些我们还不知道为什么空穴从未被观测到的原因。

• When a trapped electron-hole pair recombines, light of a specific frequency is emitted.

  当捕获的电子和空穴重新配对后，特定频率的光就被发射出来。

• The other way was to knock a bound electron off a neutral atom creating simultaneously an electron and a hole.

  另一种方法是把束膊电子从中性原子中撞出，同时产生电子和空穴。