调整()补偿,可以改善电压质量。
A.有功功率
B.无功功率
C.视在功率
D.功率因数
参考答案:B
A bridge _____________ in the distance and its construction _____________ in a year.
A.is being built; will be finished
B.is built; has been finished
C.has been built; is being finished
D.is being built; is finished
溶出度是指()
A.在规定溶剂中片剂或胶囊溶出的速度或程度
B.在规定溶液中溶散出的速度或程度
C.在胃液中溶出的速度
D.在肠液中溶解的程度
E.在溶液中微溶药物溶出的速度