居中 (当中; 在中间) (mediate) between two parties; be placed in the middle 小标题一律居中。 subheads should be placed in the middle of the column.; centre the subheads.; 居中控制 centering control; 居中调节 centering control
The mechanical analysis and central degree calculation of the casing string 套管串受力变形分析与居中度计算
Then it segments the face region to several blocks and selects the three most complexity blocks , calculates their central degree to complete the eye location 然后对得到的人脸区域进行图像块分割,通过复杂度计算得到三个复杂度最大的区域块,计算其居中度,从而实现对人眼的准确定位。
Water shutoff agent dsz - a is composed of inorganic particle . its specialities are low cost , easily flow , high strength and long valid period . the agent suits non - selective water shutoff in sand formation . dsz - a not only can plug high water - bearing formation , but also can plug case leakage . dsz - a has been applied on site and gotten good effect . it is a agent which has wide prospect 河南油田焉耆盆地固井施工中存在着封固段长、上部井段因煤层造成大段"糖葫芦"井段、顶替效率低、下部井段地层流体比较活跃易窜槽等固井施工难点,通过分析、总结,采用了提高套管居中度、优化隔离液及冲洗液性能,并对原有的水泥浆体系进行改进,筛选出合适的水泥浆外加剂,较好地解决了焉耆盆地又塌又窜等因素对固井质量的影响