给出了一种新型的 单相 航空静止变流器,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.摘要介绍了单相电压型三电平四象限变流器工作原理.The working principle of the single - phase voltage - source 4 - qua...
简·波洛克古董店经营银器和小收藏品。Jane Pollock Antiques deals in silver and small collectables.他查看了一下收银机的抽屉，里面有钱。He checked the register. There was money in the till.银叶仙客来品种不太耐寒。The silver-leaved varieties of cyclamen are not quite as h...
A muscular spasm in the coronary artery can cause a heart attack.冠状动脉的肌肉痉挛可能导致心脏病。He almost bled to death after the bullet severed an artery.子弹穿过动脉，他失血过多几乎性命不保。Blood enters the kidneys via the renal artery.血液通过肾动脉流进肾脏。...
These ferns will grow best in a humid atmosphere.这些蕨类植物在湿热的环境中长得最旺。Ferns, mosses and fungi spread by means of spores.蕨类植物、苔藓和真菌通过孢子传播蔓生。Ferns grow in shady and moist places.羊齿类植物生长在阴暗潮湿的地方....
The federal government gambled hundreds of thousands of dollars in research funds to work on the project.联邦政府为了这项研究计划冒险动用了好几十万美元的资金。Being a Communist was a badge of honour for thousands of trade union activists.对数千工会积极分子...
用两把小匙将奶酪混合物塑成圆球或椭圆球形状。Using 2 spoons, mould the cheese mixture into small balls or ovals.那就是罗马的椭圆型露天竞技场了, 基本上是综合功能的体育场.That must be the oval unroofed amphitheater in Rome. It was basically a stadium with comprehensive fu...
If you have long curly hair, don't shave it off.如果你有一头卷曲的长发，不要剪掉。The wrong shampoo can leave curly hair in a tangled mess.不合适的洗发水会使卷发纠结成乱糟糟的一团。Dry curly hair naturally for maximum curl and shine.让卷发自然变干，才能使头发卷最多，最有光...