单词：value zero
零值
value zero的用法和样例：
例句
- A value of zero causes pooled connections to have the maximum connection time-out.零值将使池连接具有最大的连接超时。
- It starts with zero and grows to a maximum slightly behind the wave front.它从零值开始，并在稍后于波阵面处增长到最大值。