Under current, over voltage, overload protection function, DSS, quasi - resonant mode, jitter period principal were all analyzed.分析了准谐振模式变换器中的欠电流 、 过电压 、 过载保护等功能 、 动态自供电(DSS) 、 准谐振工作、跳跃周期工作原理.Emerging - market bonds and ...
他用胶水 、 细线 、 洋蜡和许多电线把这些东西安装在一起.All these he fixed together with glue, string, wax and many wires.超细线径有效降低风阻提供旋转控制.The thin profile promotes improved aerodynamics and spin control.那塔几乎只是被一根细线支撑着.Heavy Load : That tower is ...
Glass bead gels need not be hydrated prior to use.玻璃珠凝胶在使用之前不需要水化.A new EP isozyme with higher activity was detected by electrophoresis on polyacrylamide gels denatured hemoglobin.通过内肽酶同工酶电泳可检测到新增一种活力较强的内肽酶.These liabili...
" What's all this? " the district chief interjected.区长道: “ 干什么?After a moment's break , Mel interjected.在短暂的沉默之后, 梅尔插了进来.'Surely there's something we can do?' interjected Palin...“我们一定可以做点儿什么吧？”佩...
不久他们听到一声很大的破裂声.Soon they heard a loud crack.在花岗岩中尖锐的破裂声可以保留相当的强度, 而在砂岩中则易变成低沉的轰响.A sharp crack might remain fairly sharp in granite, but degenerate a dull thud in sand....
A timeless comic actor—his simplicity and his apparent ease are matchless.作为喜剧界的常青树——他的简单淳朴与自然大方无人能及。She has carved a niche for herself as a comic actor.她作为喜剧演员已经闯出了一片天地。Grodin is a fine comic actor.格罗丁是一位优秀的喜剧演员。...
你可以品尝酥油奶茶.You can drink tea laced with milk , butter, and grain.酥油有很高的营养价值.Butter has a high nutritional value.用菜籽油或大豆油替代部分氢化酥油来煎炸鸡肉是个容易的转换.Frying chicken in canola or soybean oil instead of partially hydrogenated shorte...