Unfortunately, there is little prospect of seeing these big questions answered.不幸的是，几乎不可能看到这些重大问题得到回复。Catching colds is unfortunately an occupational hazard in this profession.不幸的是，容易感冒是这个行业的职业性风险。Unfortunately, Grandma ...
Unfortunately, as a standard mattress wears, the springs soften and so do not support your spine...遗憾的是，当一张标准床垫用旧后，弹簧就会变软而无法支撑你的脊椎。Unfortunately the public conflated fiction with reality and made her into a saint.不幸的是，公众...
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 ...