There's a time lag between infection with HIV and developing AIDS.从感染艾滋病病毒到病发有一段滞后期。For more general application the double time lag model should be used.对于更一般的应用,应当采用双肘滞模型.Increasing the total time lag is destabili...
电容电压 偏移是二极管箝位型多电平逆变器的主要缺点.The DC - capacitor - voltage drift is the main technical drawback of diode clamped multi - level inverter ( DCMLI ).摘要:目的: 介绍精密附着体固位型义齿的设计原则,制作方法,评价其临床效果.Objective : To improve the design and co...
In contrast, aerobic exercise can reduce the concentration of triglyceride in blood.相反, 运动可减低三酸甘油脂的浓度.The concentration of cholesterin and triglyceride declined obviously after filtration.滤过后胆固醇及甘油三酯浓度明显降低.Resistant star...
Do not wait for good things to happen to you. You need to walk towards happiness.不要等待好事降临，你要向幸福进发。He tramped hurriedly round the lake towards the garden.他匆匆地迈着沉重的步伐绕过湖边向花园走去。Traditionally young Asians in Britain have gra...
I was confronted with an array of knobs, levers, and switches.我面对的是一大堆旋钮、控制杆和开关。Levers and pulleys are simple machines.杠杆和滑轮是简单机械.The workers can manipulate the gears and levers of a machine skillfully.工人们能熟练地操纵机件....
We should produce the littoral advantage well.我们应该把海滨的优势很好地发挥出来。The reservoir sandstone was believed to have been deposited in a littoral environment.储集层砂岩就被认为是近海环境的沉积.Climate suitability of seawater crabs culture in Jia...