wave propagation短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 波浪传播,波的传播 Previous experiments based on macroscopic electromagnetic wave propagation involving lots of photons have shown that the optical precursor is the fastest part in the propagation of an optical pulse. 先前基于宏观电磁波包含大量光子的实验已经证明，光前驱是光脉冲在传播过程中最快的部分。 yeeyan