【简答题】A.many ways B.in many ways C.a better way D.plenty of ways
【简答题】如果理想电感的电流为常数,则其电压为多少?当理想电感的电流和电压都为常数时,应等效为哪种电路元件?
【多选题】下列关于相关系数的说法中正确的是( )。
【简答题】There are many ways to achieve this without buying expensive equipment or joining a health club.(英译汉)
【单选题】There are many ways _____________ the problem.