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大循环 [dà xún huán]
[生理] systemic circulation
[生理] general circulation
[生理] greater circulation
[数] major cycle
[生理] general circulation
[生理] greater circulation
[数] major cycle
- 分析马钢南山矿工业用水大循环现状，找出存在问题，提出改进途径。
Large circulation current state of industrial water of Nanshan Mine of Maanshan Iron &Steel Group is analyzed. - 先前的理论认为大气中存在两大循环系统：空气在温暖的赤道上升并向两极移动，在两极上方变冷、下降。
Previous theories pointed to two large circular systems—air rises at the warm equator and then travels toward either pole, where it chills and falls. - 对于不同的主缆架设方法有各自相应的牵引系统：空中编缆法采用纺轮牵引钢丝架设，牵引系统多采用大循环和小循环运行方式；
Each kinds of main cable erection manner has a corresponding hauling system:the wire is hauled by spinning wheel in air spinning erection manner and the hauling system operates in loop way.
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