一组

• Construct a set of rectangular axes and resolve any inclined forces into rectangular components .
  作一组直角坐标轴，把各力都分解成正交分量。
• A series of parallel strips of rectangular section is cemented over a lower sheet .
  使用一组截面为矩形的互相平行的试条，并将它们粘贴在一薄片上。
• The group of enzymes capable of degrading collagen under physiological conditions are the collagenases .
  在生理条件下能降解胶原的一组酶是胶原酶。
• " pull " has the widest use and its meaning covers that of all the other verbs in this group .
  “pull”用途最广，兼有这一组中所有其他动词的意义。
• An identity involving letters is true for any set of numerical values of the letters in it .
  包含字母的恒等式对于式内字母的任何一组数值都是适合的。
• A frequency distribution shows the number of observations from the data set that fall into each of the classes .
  频率分布反映出落入每一组的观察值个数。
• Another set of trends worth considering are in feeding strategy with increasing animal size .
  另一组值得考虑的趋势是随着动物体型增大，取食对策相应改变。
• Loading was achieved through a battery of hydraulic jacks acting on a rigid metallic distribution plate .
  通过作用于刚性金属垫板上的一组液压千斤顶加载。
• After developing the emulsion it was found to be blackened along a series of equidistant parallel bands .
  乳胶显影后，发现它是在一组等间距的平行带上变黑。
• We invited a select group of fifty-two detroit area couples to our car styling showroom .
  我们挑选了底特律地区一组52对夫妇，请他们到我们的汽车款式陈列室。