The presentation of high order generalized screen propagator is a theoretic development and improvement to the conventional generalized screen propagator.

高阶广义屏传播算子是常规广义屏传播算子理论的发展和完善。

Applying the high order generalized screen propagator to wave equation prestack depth migration cast get a better migration result than that of conventional generalized screen propagator.

把高阶广义屏传播算子应用于波动方程叠前深度偏移，可得到比常规广义屏传播算子更好的效果。

The Security Descriptor Propagator has been notified of waiting propagation events.

安全描述符传播程序已经被通知要等待传播事件.

The Security Descriptor Propagator has been notified of waiting propagation events .

安全描述符传播程序已经被通知要等待传播事件。

The quark mass is defined by quark propagator and from this definition we calculate effective mass of quark.

用夸克传播子定义了夸克的质量，进而讨论了夸克的有效质量。

Once the roots reached 3cm in length they were transferred to soil in a mist propagator and from there into a glasshouse .

当根部生长到三厘米长的时候，它们就会被移植到雾种箱中的土壤中，再从那里植入暖房中。