Constantini康斯坦丁尼constantadj.不变的；经常的n.常数；恒量constant circuit/constant voltage恒流/恒压constant of freezing point depression冰点下降常数constant current coulometric analysis恒电流库仑分析法Constant dripping wears away stone.水滴穿石.constant power regulated power supply恒功率调节电源constant-current equivalent circuit恒电流等效电路Constant stress accelerated life test恒应力加速寿命试验constant magneto-conductivity alloy恒磁导合金constant differential flow controller恒流量装置constant direct current-stimulation直流电刺激

1. To do this, we weight the hourly wage for each grade by its proportion of the total labor required to produce the product.
   为此，把每一等级的小时工资，以生产这种产品所消耗的该等级劳动量占总劳动量的比重为权数，进引加权。