The way it's usually depicted is as a closed circulatory system.
这种方式通常被描述为一个闭合的循环系统。
First check that the circulatory system is working properly.
首先检查一下循环系统是否正常。
And good for the blood, can prevent heart disease, circulatory system.
并对血液大有好处，能预防心脏循环系统的疾病。
Check the water tank of the dynamometer and the circulatory system of filling water.
检查测功器水箱及补水循环系统。
The circulatory system functions to convey material from one part of the body to another.
循环系统的功能是把物质输送到身体各处。
Often use can improve the nervous system, digestive system, immune system and circulatory system function.
常常运用可以改善神经系统、消化系统、免疫系统和轮回系统功用。
The heart is a muscular pump at the center of the cardiovascular (circulatory) system.
心脏位于心血管(血液循环)系统的中枢，相当于一个由肌肉组织构成的泵。
The safety management of information system is a dynamic circulatory evaluative process.
信息系统的安全管理工作是一个动态循环演化的过程。
The safety management of information system is a dynamic circulatory evaluative process.
信息系统的安全管理工作是一个动态循环演化的过程。
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