用电平表测得650Ω电阻上的电压电平为Pv,若功率电平为Pw,则Pv的数值与Pw的数值相比()。
A.前者大于后者
B.两者相等
C.前者小于后者
D.哪个大无法确定
参考答案:A
某500kV架空线路,自重比载为30.72N/(m.mm2),自重加冰重比载为58.54N/(m.mm2),风水平比载为26.14N/(m.mm2),综合比载为39.98N/(m.mm2),请问对于导线风偏角,下列哪几项是错误的?()
A.20.1°
B.40.4°
C.33.2°
D.21.6°
“This contract is made by and between the buyers and sellers, whereby the buyers agree to buy and the sellers agree to sell the under mentioned goods subject to the terms and conditions as stipulated here inafter”,正确翻译为( )。
A.本合同由买方、卖方共同制定,买方同意按卖方要求买下以下商品B.本合同由双方共同制定,卖方同意按买方要求卖出以下商品C.兹经买卖双方同意按照以下条款由买方购进卖方卖出以下商品D.兹经双方同意,卖方同意按买方要求卖出以下商品