Rendering 2d GIS layer in 3d environment is the key problem of realizing compact type of the two and three dimensional integration GIS system.
在三维系统中实时渲染二维图层是实现紧密型二三维结合GIS的关键。
The paper discusses the calculation method for conductor load distribution, tension and sag after installation of phase to phase spacers on compact type transmission lines.
文章探讨了紧凑型线路安装相间间隔棒后的导线荷载分配量、导线张力、弛度的计算方法。
At same time, the leaf area coefficient, dry matter accumulation and economic coefficient of compact type corn variety is bigger than loosely type corn variety.
在最高产量时，紧凑型玉米品种与松散型玉米品种相比具有叶面积系数大，干物质积累数量大，经济系数高等特点。
At same time, the leaf area coefficient, dry matter accumulation and economic coefficient of compact type corn variety is bigger than loosely type corn variety.
在最高产量时，紧凑型玉米品种与松散型玉米品种相比具有叶面积系数大，干物质积累数量大，经济系数高等特点。
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