time per unit

• 每单位时间

time per unit的用法和样例：

例句

1. The current is the charge flow per unit time.
   电流是每单位时间流动的电荷。
2. Every unit time is measured from the sodium ion of kidney spherule filtration, have main effect to the eduction of uric natrium.
   每单位时间从肾小球滤过的钠离子量，对尿钠的排出具有重要影响。