Above 100 MHz repetition rate and sub - nanosecond impulser is designed, combined with filter technology.本文结合传统的滤波器技术,设计了能够达到百兆赫兹以上重复速率、亚纳秒量级的窄脉冲发生器....
亚历克丝攥紧拳头，牙咬得咯咯响。Alex clenched her fists and gritted her teeth.马奥尼恼怒地攥紧拳头。Mahoney clenched his fist in exasperation.他愤怒地攥紧了拳头。He clenched his fists in anger....
The dragoon officers and Foker clapped their hands furiously.龙骑兵军官和福克发疯似地鼓掌.I clapped to attract the children's attention.我拍手以引起孩子们的注意。The men danced and the women clapped...男人们跳舞，女人们拍手。When the new tax laws were pa...
我所不满的是素材的结构和组织。My grumble is with the structure and organisation of the material.我在讲述这个故事时加入了新的素材。In my version of the story, I added some new material.他是非常有趣的写作素材。He is an engrossing subject for a book....
英国于1971年开始使用十进制的1便士和2便士硬币。In 1971, the 1p and 2p decimal coins were introduced in Britain.股票经纪人降低了他们的利润预期之后，股价下跌了11便士至293便士。Shares slid 11p to 293p after brokers downgraded their profit estimates.电话每分钟36便士（优惠费率）和48便士（高峰费...