微波与天线部分 常用的极化天线有______,______,______;常用的圆极化天线有______,______。
2010年扳《INCOTERMS》中新增的贸易术语是______
A. DAT与DAP
B. DAF与DAP
C. DAF与DES
DAT与DDU
infringe A. Around 35% of all online copyright ______ takes place on non peer-to-peer sites and services. B. Instead, the patent owner is compensated a reasonable royalty, the ______ takes a license, and the parties keep going.
甲亢病人进行手术时,心率和BMR稳定在
A. HR80次/分,BMR 30%
B. HR70次/分,BMR+30%
C. HR90次/分,BMR+20%
D. HRl00次/分,BMR 10%