这种薄膜衰减器系列具有卓越的高频特性.This thin film attenuator series exhibit excellent high frequency characteristics.利用上述方法研制出了完整封装的SOI基可变光学衰减器样品.SOI - based VOA devices are packaged for the first time.在线型固定衰减器采用全光纤结构, 性能稳定可靠.Line - typ...
Surface waters comprise stream waters ( e . g . rivers ), oceans, lake, and impoundment water.地表水包括流动水 ( 例如河流 ) 、 海洋 、 湖泊和水库水.The reservoir impoundment will change the geologic environment and bring about environment pro...
The news gave a fillip to the telecommunications sector.这个消息给电信部门注入了一针强心剂。technological developments in telecommunications电信技术的发展The deal is expected to result in similar tie-ups between big media companies and telecommu...
She moved out of 28 Barbary Lane to take up residence in a house in Pacific Heights.她从巴巴里街28号搬出来，住进了太平洋高地住宅区的一所房子。Barbary whistled a Ronssllon fisherman's song.巴伯里用口哨吹一支罗士兰渔民歌曲.Barbary duck a cross between a wild du...
Proper infection dosage and routes were selected to make the chickens artificially infect avian colibacillosis successfully.选择适宜的攻毒剂量和攻毒途径,诱发淮南麻黄鸡大肠杆菌病.The dosage of technological parameter and feasible emulsification an...
The current main gantry at Wallops Flight Facility, this is Pad 0 B.目前主要在沃洛普斯龙门飞行设施, 这是垫0B大小.These are scale models of some of the balloons that are designed at Wallops Flight Facility.这些是我们现时从沃洛普斯气球飞行设施设计一些比例模型....
迄今为止,此城市电话的拥有数量尚无官方统计数字.So far no authoritative figures are available as to the persent telephone ownership in this city.还有谣传说她是长生不死的, 拥有至高无上的权力.It was rumoured also that she was immortal, and had power over all things.拥...
Chloral hydrate is a rapidly effective hypnotic.水合氯醛为一种作用迅速的催眠药.Chloral is a colorless, volatile liquid with a very penetrating odor and boiling at 97.7℃.三氯乙醛是无色挥发性的液体,带有刺激性很强的气味,在97.7℃沸腾.Condensation of phenol and chlor...