电力系统的静态稳定性,是指电力系统在微小扰动下的稳定性。
参考答案:对
When asked by news reporters , the film star of stage and screen that he would pay a visit to America next week.
A.confirmed
B.identified
C.proposed
D.approved
投资于面额为100元,期限为5年,息票率为5%的国债,若想获得4%的到期收益率,则应该以什么价格买人该债券( )
A.104.65元
B.104.45元
C.105.2元
D.98.5元