关于心脏检查内容的描述不正确的是（）。 A．杂音有生理性和病理性之分B．震颤均是病理性的

效率=最大化经济剩余(efficiency=maximizing economic surplus)

经济效率（Economic efficiency) 名词解释

Their efficiency has much () on the country's economic health.它们的效率对我国的经济健康有很大的意义。

A、burden

B、beer

C、dear

D、bearing

to improve the energy efficiency of an industrial system, the economic share of industrial sectors with higher energy efficiency should be appropriately increased（）

A、改善每一组分的能源效率 To improve the energy efficiency of each component sector

B、提升具有较低能源效率的行业的能源效率 To improve the energy efficiency of industrial sectors with lower energy efficiency

C、加大具有较高能源效率的行业的在产业中的经济占比 To increase the share of sector with higher energy efficiency in the total industrial economy

D、降低具有较高能源效率的行业的在产业中的经济占比 To reduces the share of sector with higher energy efficiency in the total industrial economy

A、may be able to improve either economic efficiency or equality.

B、may be able to improve economic efficiency but cannot improve equality.

C、may be able to improve equality but cannot improve economic efficiency.

D、cannot improve either equality or economic efficiency.

A、改善每一组分的能源效率 To improve the energy efficiency of each component sector

B、提升具有较低能源效率的行业的能源效率 To improve the energy efficiency of industrial sectors with lower energy efficiency

C、降低具有较低能源效率的行业的能源效率 To reduce the energy efficiency of industrial sectors with lower energy efficiency

D、加大具有较高能源效率的行业在产业中的经济占比 To increase the share of sector with higher energy efficiency in the total industrial economy

A、环境效率恒等于资源效率 The environmental efficiency is always equal to the resource efficiency

B、资源效率越高，环境效率也越高 The higher the resource efficiency, the higher will be the environmental efficiency

C、资源效率越高，环境效率就越低 The higher the resource efficiency, the lower will be the environmental efficiency

D、环境效率与资源效率无关 The environmental efficiency is not related to the resource efficiency