零

• Ann was thin and shapeless, a very umbrella of a woman .
  安是个瘦骨零丁，身材难看的女人，活象一把伞。
• We say the gas becomes ideal in the zero-density limit .
  我们说在零密度的极限条件下，气体变成理想的。
• The summation of forces in this and that directions must be zero .
  在这个和那个方向上的合力必定为零。
• If the two signals are random, the cross-correlation is zero .
  倘若两个信号都是随机的，则互相关系数为零。
• The average dark current is often eliminated by means of a zeroing circuit .
  平均暗电流常利用调零电路消除。
• Compatibility will require that the girder deflection at b be zero .
  根据协调性的要求，梁在B点的挠度应为零。
• The owners of estrays must claim them within a year and a day .
  遗失物的主人必须在一年零一日内提出权利请求。
• Where a trough and crest coincide we get the total amplitude zero .
  在波峰与波谷重合之处，总振幅实际上为零。
• The flux through the wall of the vortex tube is zero by its definition .
  根据涡管定义，穿过涡管管壁的涡量为零。