They have many interesting physical properties, such as symmetric band structure, strong temperature dependences of energy gaps, absence of a heavy hole band, and low Auger recombination rates, etc.

它们具有很多独特的物理性质：对称的能带结构、强烈依赖于温度的带隙、一个重空穴带的缺失、低的俄歇复合率等。

youdao

He had obviously decided that Whitewater was a dry hole and this was a graceful way out, but he received heavy criticism for his decision.

他已很清楚地看到白水事件是口干井，去佩珀代因大学会是个体面的退出方式，但他的这个决定遭到了强烈谴责。

youdao

But first the Rat went into his hole, and after a while came out carrying a very large and heavy lunch basket.

但是水鼠先回到了洞里，一会儿又出来了，提着一只又大又沉的午餐篮。

youdao

Davy Jones was so eager to cough up its bounty from a massive high-quality reservoir 200 feet thick that McMoran several months ago had to control the flow by filling the hole heavy drilling mud.

FORBES: Updated 11:30 Central.

It was that pulsars are rotating neutron stars, the super-dense last stage of collapse of a star not quite heavy enough to form a black hole.

ECONOMIST: Obituary

The Trent and Mersey Canal breached its banks at Dutton after heavy rain in September, leaving a hole the size of 12 double decker buses in the side.

BBC: Work starts to repair breached Trent and Mersey Canal