In order to realize the suspending control of the globe with hybrid-excited magnets,the paper adopts a new control arithmetic pseudo-derivative-feedback (PDF).
为实现永磁电磁混合悬浮地球仪的稳定悬浮控制,采用伪微分反馈控制算法进行了力学和运动学分析,建立了系统数学模型,推导出控制对象及控制系统的传递函数,并对其稳态性能进行了理论分析。
Stated the principle of the talking globe,the lighting structure of the globe was studied,and so were clear lighting for capitals,(diode's) distribution,and resolving power.
简述了交互式语音地球仪结构原理;研究了地球仪上首都的无歧义显示、发光二极管的布置以及首都显示分辨率;制成了交互式语音地球仪。
A body with the shape of a sphere, especially a representation of the earth in the form of a hollow ball.
球，球状物球体，球状物，尤指中空的球的形式的地球仪
Globe:" In all the world,you're my one love."
地球仪："在这个世界上，你是我惟一的爱。
I' m interested in studying the globe in my spare time.
闲暇时我对研究地球仪很感兴趣。
Take a piece of cardboard or stiff paper and hold it close to the globe.
取一张纸板或硬纸片，拿到地球仪边。
"Monitor of the first class, fetch the globes!"
“第一班班长，去把地球仪拿来！”
The Research and Development by the Opengl on 3D Digital Earth Instrument;
基于OpenGL的三维数字地球仪研制与开发
Research on Web Three-Dimensional Virtual Globe Based on Geo-Vrml;
基于GeoVRML网络虚拟三维地球仪的研究
The company can separately supply globe fittings manufacture, that is ,final products spheroid, plastics fittings and complete set globe production assembly line.
公司可单独供应地球仪配件生产，即成品球体，塑料配件及成套地球仪生产流水线。
Sure. I find the five Continents and the four Oceans,
当然可以，我从地球仪上找到了五大洲和四大洋，
Take a piece of cardboard or stiff paper and hold it out from a globe.
取一张纸板或硬纸片，拿着它移近地球仪。
This is hard to see without reference to a globe.
如果不参照着一个地球仪来看，这是很难理解的。
The globe was leased from Zurich recently.
现在这个地球仪是新近从苏黎世租借的。
Structure Design and Magnetic Field Analysis of Large-scale Maglev Globe
大型磁悬浮地球仪结构设计及磁场分析
geophysical apparatus factory
地球物理仪器制造厂
geophysical instrument, electronic
电子地球物理勘测仪器
ROGER (Remotely Operated Geophysical Explorer)
遥控地球物理探测仪
an instrument for measuring variations in the gravitational field of the earth.
测量地球引力场变化的仪器。
oil geophysical prospecting instrument factory
石油地球物理勘探仪器厂