With iarge-scale International capital inflow of China, the central bank takes measures in the foreign exchange market intervention to maintain exchange rate stability, which threatens the independence of domestic monetary policy. The efficiency of capital control and the changing pattern and efficacy of sterilization with the modified BGT model are investigated. With the dummy variables that the extent of sterilization of foreign reserve inflows has changed between 1999 and 2011 are found, that the Central Bank only sterilizes the capital account but not the current account are also found. The extent of sterilization has fallen since 2010 and the Central Bank faces the dilemma of stability of the exchange rate and monetary policy autonomy.%为解决有限体积法耦合求解排气系统红外辐射特性时角度离散数目不足的问题,提出多重角度离散方法,并计算了某轴对称排气系统的空腔-喷流组合红外辐射特性.用较粗的离散角度耦合计算每个喷管空腔微元面的辐射亮度,用较细的离散角度对空腔-喷流组合辐射的每个控制角进行独立计算,求解红外辐射强度.结果表明,多重角度离散方法可以使排气系统红外辐射程序在保证计算精度的同时,探测方向更加灵活,克服了有限体积法求解喷管空腔-喷流组合辐射强度分布时角度离散数目不足的问题.
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