The way to keep the stability and order of the market is to input materials, power and information flow from outside so as to reduce the entropy of the market system.
实现市场稳定或有序的途径是通过外界给市场输入物质、能量和信息流，使市场系统的熵减小。
The cylinder drives a piston extraction and play materials, and by the one-way valve to control the flow of materials, the magnetic switch control cylinder stroke, which adjust the filling volume.
通过气缸带动一个活塞抽取和打出物料，并由单向阀控制物料流向，由磁环开关控制气缸行程，即调节灌装量。
In order to get materials which could guide engineering practice, the article try to find a simple way to describe the ice-melt characteristics of the external-melt system in the level flow field.
为了更好的指导工程应用，本文在某外融冰空调系统实际工程以及前人所作研究的基础上，寻找水平流场外融冰取冷特性的规律，并尝试提出一种简便描述水平流场外融冰系统取冷特性的方法。
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