zero pressure 零压力 ; 起点压
zero-pressure gradient flow 无压力梯度流动 ; 无压梯度流
suppressed zero pressure gauge 无零位刻度压力计
zero pressure difference point 零压差点
zero-pressure point 零压差点
zero-pressure-difference point 零压差点
zero pressure angle 零度压力角
And there is no work done on the surroundings because pressure is zero.
这里系统没有对环境做功,因为压强是零。
First let's set the external pressure equal to zero.
首先,让外部压强为零。
In other words, if the cost to serve a customer (support aside) is zero, the long-term price of the product in the market will be zero (because of competitive pressure).
换句话说,如果为顾客提供服务的成本(暂时忽略支持的费用)为“0”,那么这个产品在市场上的长期价格也将会是“0”(这是由竞争压力形成的)。
应用推荐