本文研究了V波段四倍频器的设计和研制方法.This thesis presents the design and manufacture of a V - band frequency quadrupler.这种倍频器可以满意地用作为某型测速雷达的输出级.This frequency multiplier may be used satisfactorily as the output stage some velocity radar...
需高效能的印刷油墨,并带有颜色, 网板及线性操作.Speed and High efficiency inking with color, Halftones and line works.专用网板印刷 、 展板, 彩色标志、标牌,电脑刻字.Advertising : professional screen printing, board, color sign , signboard and computer lettering.广告...
You're both invited to Admiral Philips's reception aboard the Prince of Wales.你们两位被邀请参加菲利普斯上将在“威尔士亲王号”上举行的招待会.In the field of consumer electronics, Philips is determined to remain a world leader.飞利浦决心保持其在消费类电子产...