收缩

• These jets are usually either endplate or contraction types .
  这种实验段通常有端板型的或收缩型的。
• Vasoconstriction and vasodilatation are separate mechanisms .
  血管的收缩和扩张分别具有不同的机理。
• The heart is a muscular organ that contracts rhythmically .
  心脏是个肌肉性器官，具有节律性收缩能力。
• His jaw instinctively closed, and his gray eyes narrowed .
  他本能地闭紧嘴巴，灰色的眼睛收缩成一条线。
• During inhalation, contraction of the intercostal muscles elevates the ribs .
  吸气时肋间肌收缩，提起肋骨。
• Shrinkage stress was found to increase linearly with cure temperature .
  我们发现收缩应力随固化温度直线增加。
• If the arterioles are contracted, the size of the vascular bed is decreased .
  如果小动脉收缩，血管床就会减小。
• Characteristic defects are of two main types; regression and syneresis .
  特征缺陷主要有两类：即退化和脱水收缩。
• 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。
• As a slowly contracting dwarf the star may remain luminous for billions of years .
  收缩较慢的白矮星仍会发光几十亿年。