张力

• Only moderate deal load tensions are necessary .
  只需要有少许恒载张力。
• The bar is said to be in tension .
  这时就说棒是处在张力状态中。
• Friction increases with increasing pretension .
  摩擦力随预加张力的增加而增加。
• Engineers calculate the strains and stresses on a bridge .
  工程师们计算桥上的张力和压力。
• After closure, final tensioning of stay 4 is accomplished .
  合拢以后，拉索4的最终张力即告完成。
• In fluids, forces of tension and shear can often be ignored .
  在流体中，张力和切力通常可以忽略不计。
• The tonofilaments condense into bundles and become attached to desmosomes .
  张力细丝集中成束，并附着于桥粒上。
• Some species can survive for long periods in very low oxygen tensions .
  有些种类能在很低的氧气张力下长期生活。
• The diazirines are interesting, highly strained ring systems .
  偶氮杂环丙烷是一类重要的、环内张力颇大的化合物。
• With exocylic double bonds the effect of strain is in the opposite direction .
  环外的双键的张力效应导致相反的结果。