We create five attributes : a unique identifier three persistent data members and a non-persistent ( transient ) data member .

我们创建了五个属性：一个唯一标识、三个持久数据成员和一个非持久（ 暂时）数据 成员。

Simulation of transient flow field and dynamic characteristics of pressure reducing valve during start-up Can a Manual Machine pass a Pearl to an Automatic Machine before a team member has pressed the Automatic Machine 's start button ?

减压器开启过程内部流场的 动态仿真和特性研究在一个 队员按下自动机器人的启动键前，是否允许手动机器人将一个珍珠交给自动机器人？