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- The results indicate that the axial velocity of the annular region is decreased and flow field is optimized when horizontal boards are installed in the classifier volute. 流场测试结果表明：在蜗壳内加装水平隔板，能够有效的减小环形区气流轴向速度，使流场变得稳定；
- A new multiflow model of a pressurized spout fluid bed with a draft tube has been developed to investigate the voidage and the velocities of particle and gas in spout and annular region. 采用双流体模型对增压导向式喷动流化床内喷动区和环形区气固运动速度和空隙率进行数值模拟。
- The annular markings on a tree indicate its age. 树的环形纹理显示其年龄。
- China exports to many other countries regions. 中国向许多其它国家和地区出口货物。
- Most insect do not live in polar region. 大多数的昆虫不在极地地区生存。
- It was reported that there would be an annular eclipse tomorrow. 据报道说，明天有日环食。
- The earthquake may cause a region to fall in. 地震可以使一个地区下陷。
- Keywords turbo air classifier;Laser Doppler Velocimeter （LDV）;flow field characteristic;annular region;classification index; 涡流式空气分级机;激光多普勒测速仪;流场特性;环形区;分级指标;
- Storms spring up easily in this region. 这个地区很容易发生风暴。
- We have established trade ties with these regions. 我们和这些地区建立了贸易关系。
- Eastern regions will have heavy rain today. 东部区域今天将有大雨。
- He is earning a salary in the region of25,000. 他当时的薪金在25,000英镑左右。
- A storm that cut off power to the whole region. 切断了整个地区电力供应的暴风雨
- A planar region bounded by a circle. 圆形区，圆形空间被圆所包围的一个平面区域
- A vineyard or wine-producing region in France. 克鲁法国的葡萄园或葡萄酒生产区
- HSS-E annular cutter with weldon shank, 25mm D.O.C. 双削平柄系列超硬高速钢孔钻，切削深度25毫米.
- Food and fuel were scarce in this region. 这地区食物和燃料都很缺乏。
- HSS-E annular cutter with weldon shank, 50mm D.O.C. 双削平柄系列超硬高速钢孔钻，切削深度50毫米.
- There used to be a military base in the region. 这地区过去有个军事基地。
- Disk annular, margin crenately lobed. 花盘环状，边缘浅裂。
