干区 英文名称： stem region 定义： 鞘的后部，没有空腔。
非饱和带裂隙中的饱和区和排干区可以用一个离散的气-水界面分隔开。
A discrete air-water interface is used to separate the saturated zones from the drained zones within each single fracture of fracture network.
结果表明： 北京地区高低层配置符合干侵入三维模型， 中层以上的干区与水汽图像的暗区相吻合， 同时配合有自高纬向低纬传播的高位涡带， 北京地区干侵入特征明显。
The main results are as follows: The dry zone and high potential area above middle-level corresponded well with dark zone in WV image, which showed the dry intrusion was obvious.
不断上涨的食物和石油价格抑制了消费者的消费，但欧元区的企业正在心满意足地干着定单上的活，弹性出口需求为它们带来了大量的定单。
Rising food and petrol prices crimped consumer spending, but firms in the euro area were contentedly working through order books fattened by resilient export demand.
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