Microwave absorbing properties of the composites containing the planar equiangular spiral antenna arrays were investigated.研究了含平面等角螺旋天线阵列吸波复合材料的微波吸收特性....
本书以介绍 所谓 “句法制导的编译方法”作为准则.This book is oriented towards so - called syntax - directed methods of compiling.可编译按各州和各县细分的全国范围的编目单.It permits compilation of a nationwide inventory subdivided into states and countries.有关的用户请参...