The instrument is used when fly overwater in the daytime.那仪器是在白天飞越水域时使用的.In the daytime he stayed up in his room, sleeping, or listening to music.他白天呆在自己的屋子里睡觉或听音乐。Bats sleep in the daytime and come out to hunt for food ...
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 ...