condition expression meaning in English

条件式

This is needed to edit the condition expressions for the decision elements
在编辑判决元素的条件表达式时，该操作是必须的。
Executes a statement block once , and then repeats execution of the loop until a condition expression evaluates to
将一个语句块执行一次，然后重复该循环的执行，直到条件表达式为
Three boundary condition expressions of unsaturated soil slope under rainfall infiltration and evaporation conditions are presented
摘要讨论了非饱和土边坡在入渗、蒸发条件下的三类边界条件表达形式。
In this paper the average field is used to describe the carrier in each segment based on the carrier distribution in two - segment dfb lasers and the strict coupled wave theory is used to describe the photon density . combined with these two methods , the threshold condition expression has been derived for the first time
基于两段式dfb激光器中的载流子分布事实，本文对每一段内的载流子浓度用平均场方法处理；对于激光器内的光场分布则应用严格的耦合波理论进行研究，通过将这两种方法有机结合，首次导出了两段式dfb激光器的阈值条件表达式。