常数

• The speed of light is an invariant constant .
  光速是一个不变常数。
• The beam has a constant flexural rigidity .
  该梁具有常数弯曲刚度。
• The null subset corresponds to the term 1 .
  空集则对应于常数项1。
• C is a positive constant, the spring constant .
  C是正的常数，称为弹性系数。
• It is evident that the permeability is not a constant .
  显然磁导率不是常数。
• Growth is a function of turgor .
  生长是膨胀的一个常数。
• The spring constant is replaced by the weighting function .
  弹簧常数用权重函数代替。
• We see that there is no numerical value of the real constant .
  我们可见实常数没有数值。
• There is no harm in multiplying it by the constant 1/(1-y) .
  乘以常数1（1-y）没有妨碍。
• We have taken w to be constant, in the interest of simplicity .
  为简单起见，我们让w为常数。