equivalent

• Two sets are said to be equivalent if and only if they can be placed in one-to-one correspondence .
  当且仅当两个集合中的元素一一对应时，才称它们为等势。
• There is a very simple technique for converting any decimal number to its binary equivalent .
  有一个很简便的方法可以将任意十进制数换算为等值的二进制数。
• For me, the sensation of landing in hanoi on february 10 was the equivalent of stepping onto the moon .
  2月10日，飞机在河内着陆时，我好象登上了月球一样。
• Show that paralleled branches and tandem branches may be replaced by equivalent graphs as shown below .
  证明并联分支和串连分支可以用下图所示的等价图代替。
• The initial or frozen-in double refraction is replaced by an equivalent or virtual state of stress .
  初双折射或被冻结的双折射，可用一个等效或有效应力状态来代替。
• Smith (1962) considered three alternate methods to determine an equivalent diameter of graded sediment .
  史密斯（1962）提出了三种不同方法以计算不均匀沙的当量直径。
• But they are, of course, equivalent in the sense that they arise from the same set of equations .
  但是从它们都是由同一个方程组产生的这一意义上来看，它们自然是等价的。
• All positively charged species in solution must be balanced by equivalent numbers of negatively charged species .
  溶液中所有带正电荷物质必须被等量的带负电荷物质所平衡。
• The first law tells us that work output cannot be produced without an equivalent amount of energy input .
  第一定律告诉我们，如果没有等当量的能量输入，就不可能产生输出功。
• To some it is virtually equivalent to data processing and is tied inextricably to computer software .
  有一些最终事实上就等于资料处理，并且不可避免地要和计算机的软件相结合。