绝缘材料
参考答案:
凡由电阻系数大于109Ω·CM的物质所构成的材料,在电工技术上便称为绝缘材料,也称电介质。
第五步
A.卧床留观察2小时以上B.避免房事过度C.阴囊托D.避孕2~3个月E.避免重体力劳动为预防下列并发症,须采取上述哪项预防措施
单击命令按钮时,下列程序的执行结果是 Private Sub Command1_Click() Dima As Integer,b As Integer,c As Integer a=3:b=4:c=5 Print SecProc(c,b,a) End Sub Function FirProc(x As Integer,y As Integer,z As Integer) FirProc=2*x+y+3*z+2 End Function Function SecProc(x As Integer,y As Integer,z As Integer) SecProc=FirProc(z,x,y) +x+7 End Function A) 20 B) 25 C) 37 D) 32