Aerodist is a useful equipment for secondary breakdown , but not for primary control.航空微波測(cè)距儀是測(cè)定二等補(bǔ)充網(wǎng)的有效儀器, 但不能用于一等控制網(wǎng)測(cè)量....
Nuns are under vows of poverty, chastity and obedience.修女須立誓保持清貧 、 貞潔、順從.Chastity before marriage is still demanded in some societies.有些社會(huì)仍要求婚前保持貞潔。He took a vow of chastity and celibacy.他發(fā)下守貞禁欲的誓言。There was a direct int...
給出了一種新型的 單相 航空靜止變流器,分析了其工作原理和特性.A novel two - stage structure of single - phase aeronautical static inverter ( ASI ) is present.摘要介紹了單相電壓型三電平四象限變流器工作原理.The working principle of the single - phase voltage - source 4 - qua...