variable

• Grabau first recognized the interrelations of the two variables .
  葛利普最早认识到这两种变动的关系。
• He is of a variable mood ; he never finishes what he starts .
  他这个人朝三暮四，做起事来总是虎头蛇尾。
• At low concentrations these effects are small and variable .
  在低浓度下，这些影响很小并且是形式多变的。
• Multiple, rudimentary, and lowly organized structures are variable .
  重复的、残留的及低等的构造易于变异。
• Some stars do undergo changes, such stars are called variables .
  有些星经历着真正的变化，这种星叫做变星。
• Agriculture is subject to an unusually large number of variables .
  农业受到异乎寻常的大量可变因素的影响。
• Exogenous variables can include lagged values of endogenous variables .
  外生变量可以包括内生变量的后滞值。
• An important method for evaluating integrals is a change in variables .
  求积分值的一种重要方法是变量代换法。
• A single index may reflect a composite, or group, of changing variables .
  指数可以用于反映一组变量的综合变化。
• Their common principle is to use the variable capacity in a condenser .
  它们的普遍原理是利用电容器的可变电容。