1. 栅极:现代的真空管共由4种基本构件组成:极对灯丝(Filament)(加热用)、阴极(Cathode)、栅极(Grid)和阳极(Anode). 当极对灯丝连上电压对阴极加热,激发阴极电子通过栅极打在阳极上. 通过这样的电子流,电子管可以将较小的交流电放大成较强的信号,
2. 格子:你只要把电子照相机的道理想成是在一个影像上打出精密的 格子(grid),然后记录每个格子的灰度就可以了. 假定我们把全黑的值设定为1,全白的 值设定为255,那么任何明暗度的灰色都会介于这两者这间,而由8个比特组成的进制位 组(称为一个字节,
3. grid:graphical interactive display; 图形交互显示
4.
4. grid:global resource information database; 全球资源信息
5. grid:g; 网格,格栅
1. 网格;(地图上的)坐标方格
A grid is something which is in a pattern of straight lines that cross over each other, forming squares. On maps the grid is used to help you find a particular thing or place.
e.g. ...a grid of ironwork.
铁格栅
e.g. ...a grid of narrow streets...
纵横交错的狭窄街道
2. (输送电力等的)系统网络
A grid is a network of wires and cables by which sources of power, such as electricity, are distributed throughout a country or area.
e.g. ...breakdowns in communications and electric power grids.
通信系统与输电网的中断
3. 赛车起跑线
The grid or the starting grid is the starting line on a car-racing track.
e.g. The Ferrari of Alain Prost will be second on the grid.
阿兰·普罗斯特的法拉利赛车将排在起跑线的第二位。
noun
1. a cooking utensil of parallel metal bars
used to grill fish or meat
Synonym: gridiron
2. an electrode placed between the cathode and anode of a vacuum tube to control the flow of electrons through the tube
Synonym: control grid
3. a perforated or corrugated metal plate used in a storage battery as a conductor and support for the active material
Synonym: storage-battery grid
4. a system of high tension cables by which electrical power is distributed throughout a region
Synonym: power systempower grid
5. a pattern of regularly spaced horizontal and vertical lines