visible balance

1. In visible experiment, the time of pressure balance decrease with the initial pressure of PRZ and temperature of CMT.
   在可视化实验中随着PRZ初始压力的增加，以及CMT初始温度的增加，压力平衡响应时间减小。

noun

1. the difference in value over a period of time of a country's imports and exports of merchandise
   1. a nation's balance of trade is favorable when its exports exceed its imports

   Synonym:    balance of tradetrade balancetrade gap