不属于国电发[2002]685号《水电厂无人值班的若干规定》(试行)一文规定的“设备”保证安全必要的技术措施的项是:()。
A.可靠、自动的控制系统
B.完善的保护系统和可靠的电源
C.能在最不利的情况下,保证发电机的断路器跳开,运行的机组正常停运,导叶前的进水阀或快速闸门关闭
D.双重化的控制设备配置要求。
A.可靠、自动的控制系统
B.完善的保护系统和可靠的电源
C.能在最不利的情况下,保证发电机的断路器跳开,运行的机组正常停运,导叶前的进水阀或快速闸门关闭
D.双重化的控制设备配置要求。
A.将不均匀的多年天然来水量进行优化分配调节
B.无水库,基本上来多少水发多少电
C.对一年内各月的天然径流进行优化分配、调节
D.水库很小,水库的调节周期为一昼夜
A.重点水电厂月和年累计发电情况
B.重点水电厂后期来水预测
C.重点水电厂后期发电和水位控制计划
D.电网所在地区后期天气趋势、气温及降水情况预测
2002年,假想国帕丘尼亚(Pecunia)的经常项目赤字为10亿美元,非储备金融项目盈余为5亿美元。
a.这一年帕丘尼亚的国际收支余额是多少?该国的净国外资产发生了什么变化?
b.假设外国中央银行既不买入也不售出帕丘尼亚的资产。2002年帕丘尼亚中央银行的外汇储备有什么变化?这项官方干预行为如何在帕丘尼亚的国际收支账户中反映出来?
c.如果已知2002年外国中央银行购入了6亿美元的帕丘尼亚资产,你将如何回答(b)的问题?这些官方购买如何记入外国的国际收支账户?
d.假定(c)中的情况在2002年发生,写出帕丘尼亚该年的国际收支账户。
The nation of Pecunia had a current account deficit of $1 billion and a nonreserve financial account surplus of $500 million in 2002,
a.What was the balance of payments of Pecunia in that year? What happened to the country's net foreign assets?
b.Assume that foreign central banks neither buy nor sell Pecunian assets.How did the Pecunian central bank's foreign reserves change in 2002? How would this official intervention show up in the balance of payments accounts of Pecunia?
c.How would your answer to (b) change if you learned that foreign central banks had purchased $600 million of Pecunian assets in 2002? How would these official purchases enter foreign balance of payments accounts?
d.Draw up the Pecunian balance of payments accounts for 2002 under the assumption that the event described in (c) occurred in that year.