循环性失业
cyclical unemployment
Demand-deficient (cyclical) unemployment
理论循环性能分析
theoretical refrigeration cycle analysis
机械性循环支持
mechanical circulatory support
外围循环性衰竭
vasogenic peripheral failure
循环性全静脉营养
cyclic parenteral nutrition
神经循环性衰弱
neurocirculatory asthenia
非循环性光磷化作用
non-cyclic photophosphoryla-tion
自然循环式太阳能热水系统
solar water heating system with natural circulation