two-region model 两区模型 ; 不同的两个区 ; 非平衡两区模型
fast bubble region model 快气泡区模型
two-flow region model 两流区模型
Active region model 活动流场模型
four-zone four region model 四区四域模型
contact region model 接触区域模型
the model of region 区域模型
two region model 两区模型
three region model 三区模型
In 2005, Ethiopia became a model for other countries in the region by expanding abortion rights.
VOA: standard.2010.06.24
One important factor affecting the water quality is the area's temperature and rainfall, and Hunt's model is set up for the mid-Atlantic region of the United States.
VOA: standard.2010.08.04
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