单词secondary wave
un.: 二级波
网络: 次波；次级波；第二波
二级波
When the secondary wave is just starting at E , that from C will have formed a hemisphere of radius CG .
当e处的次波刚开始发出时，从C发出的次波已形成一个半径为CG的半球面。
Application of Huygens secondary-wave method in eliminating cloud and its shadow for remote sensing image
惠更斯次波法在遥感图像去云和云影中的应用
Secondary wave and its application in crystal
晶体中的子波及其应用