河道半自然化
stream corridor renaturalization
近自然化改造
Close-to-nature transformation
nature-approximating modification
强化自然对流传热
enhanced natural convect ion heat transfer
人工林近自然化
close-to-nature plantation forests
人化自然
ascribe human characteristics to nature
Humanized nature
世界文化自然复合遗产
world mixed properties heritage
一体化自然循环反应堆
Integrated natural circulation reactor
full power natural circulation integrated-type reactor
自然化分析系统
Automated gas chromatographic system
近自然群落
approaching nature plant community
自然保护模式
the model of natural protection