in circulation question

基本解释

How to construct urban super-circulation system in the process of construction of circular economy is an important question.
在循环经济的建设过程中，如何构建城市的超循环体系？
The causality between atmospheric circulation and thermohaline circulation (THC) is an open question in the field of air-sea interaction.
大气环流与热盐环流（THC）变化之间的因果关系，是海气相互作用研究领域的一个悬而未决的问题。
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This essay pass through compare of foreign realize circulation economy take taxation policy, analyse our country exist question of in this territory take measure at present.
通过对国外为实现循环型经济所采取的税收政策的比较，分析我国目前在该领域采取的措施和存在的问题。

Dr Krumhansl addressed the question by looking at the physiological changes (in blood circulation, respiration, skin conductivity and body temperature) that occurred in a group of volunteers while they listened to different pieces of music.
ECONOMIST: The biology of music The