电流滞后于电压.The current lags behind the voltage.如果输入的电压是+3伏, 那么输出的电压便是-6伏.If the input voltage is plus three , it comes out as minus six.我们用以表示电压和电流的单位分别为伏特和安培。The units in which we show voltage and current are volt and ampe...
To keep your bearings in a desert sandstorm is impossible.在沙漠的尘暴中要想保持方位感是不可能的.His plane made a crash-landing during a sandstorm yesterday.昨天他的飞机在沙尘暴中紧急降落。The men lost their way in a sandstorm and crossed the border by mi...
The PCI and ISA buses are designed into motherboard as expansion slots.PCI和ISA总线都作为扩展槽设计在主板内.Spring loaded coned pins shall be used for two - way and four - way datum holes and slots.配有弹簧的锥形销被使用为 双向 和四向方式的基准孔和槽孔.Slots t ...
They've got to watch every penny to make ends meet.他们得精打细算才能维持下去.She scarcely earns enough money to make ends meet.她几乎挣不到足够的钱以维持开支.Last month he couldn't make ends meet.上个月他钱花涨了....