He hesitated and added , the muscles of his face contracting whitely.

The contraction of muscles uses energy and releases heat.

肌肉的收缩消耗能量并且释放热量。

the expansion and contraction of the metal

金属的膨胀与收缩

I thought the ordinary Scottish contraction of the name had been Effie.

我想这个名字在苏格兰通常的简称是艾菲.

It is believed that the young stars have formed from this cold matter through gravitational contraction.

人们相信,新恒星是由这些冷物质通过引力坍缩形成的.

Intestinal wall of muscle contraction will be inadequate description of the normal digestion.

肠道壁肌肉的不充分收缩将说明具有正常的消化能力.

There was a massive monetary contraction, which was responsible for the severity of the downturn.

美联储大规模收紧货币政策, 是那场衰退如此严重的原因.

A second protein, myosin, is involve in the contraction of muscle cells.

第二类蛋白是肌球蛋白, 它与肌肉细胞的收缩有关.

It also studied a typical thermoelectric couple, got the gas buoyancy distribution and best reed contraction.

同时以某热电偶为例,进行了实际分析, 得出了气体浮力的分布情况和簧片的最佳变形量.

The least unitary looking contraction operator is 0.

看来最不象酉算子的压缩算子是0.

I suspect that this force accounts for half of the economic contraction at present.

有三个因素推动了经济的下滑.

However, the next day opened low, or volume contraction, can not be sold.

然而, 第二天开盘走低, 或者成交量萎缩, 难以卖出.

Longitudinal contraction deformation: The component contracts in the weld direction after welding.

纵向收缩变形: 构件焊后在焊缝方向上发生的收缩.

I generate my own electricity, and send out impulses to trigger contraction.

我给自己发电, 发出兴奋波,引起收缩.

Contraction of the timbers left gaps in the fence.

木料收缩,结果围墙露出缝来.

This contraction increases the volume of the thoracic cavity and lowers the pressure inside the lungs.

这个收缩活动增加了胸腔的容积,降低了肺部的压力.

Below 4, water is in continuous expansion instead of continuous contraction.

水在4度以下就不断地膨胀,而不是不断地收缩.

The earliest change histologically seen acute myocardial infarction in the first day is contraction band necrosis.

急性心肌梗死第一天组织学上表现为明显的收缩带坏死.

Eventually the star's contraction slows down.

最后,恒星的收缩终于慢了下来.

The relativistic length contraction makes the lion flat as paper.

相对论长度收缩导致狮子像一张纸一样平.

Independent economists think that even a 2.2 % contraction in GDP is wildly optimistic.

独立经济学家认为,即便2.2%的GDP收缩幅度也过于乐观.