密度

• Tunneling process is important in the low to moderate current density range .
  在中等及中等以下电流密度下，隧道穿透过程是重要的。
• The rate of sedimentation of a suspended viral particle depends on its size and density .
  悬浮病毒粒子的沉降率因其大小和密度而异。
• When the density step wedge has been properly exposed, the film is then processed .
  当密度阶梯光楔被正确曝光后，即把胶片冲洗出来。
• Plantations of slender spindles are an example of such optimum density conditions .
  细长纺锤形栽植就是这种最适密度条件下的一个例证。
• Variations in the fluid density are neglected so far as they influence the inertia .
  就对惯性项的影响而言，流体密度的改变是可以忽略的
• Water, coal measures and salt have densities markedly different from other earth materials .
  水、煤和盐的密度与其它介质有很大的差别。
• Hypersonic wind tunnels operating at very low densities were developed starting in about 1960 .
  低密度超音速风洞大约开始发展于1960年。
• There is no need to regard density-dependent factors as having any special importance .
  没有必要认为密度制约因素具有任何特殊的重要性。