Along with the improvement of the safety operation level in power supply networks, the expert system is used increasingly and extensively in the substation.
随着变电运行安全水平的提高，专家系统在变电站中的应用日益广泛。
The line loss, which is one of the important indexes of the power-supply system, possesses direct influence on enterprise's economic benefit, operation level and all other electric power indexes.
线损是供电系统的重要指标之一，它直接关系到企业的经济效益、经营管理水平及其他各项电能质量的高低。
The central bank adjusts the banking system's level of reserve fund, controls the issuance of currency and influences currency supply and economic operation through open market operation.
它是通过改变银行体系的准备金总量而控制基础货币投放、以调节微观经济主体头寸余缺而影响整个社会货币供应量的。
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