propagation law的用法和樣例：
例句
- The radar operators had to be eternally observant, and also skilled in the vagaries of radar sets, propagation conditions, and enemy tactics.
雷達操作員必須非常機警，同時(shí)又必須熟悉雷達的古怪脾氣，電波傳播規律以及敵人的戰術(shù)。 - The light wave propagation in quasiperiodic one-dimensional photonic crystals with the doped defect and the substitutional defect is studied by means of the transfer-matrix method.
利用傳輸矩陣方法，研究了光波在包含摻雜缺陷和替代缺陷的厚度漸變準周期結構一維光子晶體中的傳播規律。
