grid
名词 grid:
a system of high tension cables by which electrical power is distributed throughout a region
同义词:power system, power grid
a network of horizontal and vertical lines that provide coordinates for locating points on an image
同义词:reference grid
an electrode placed between the cathode and anode of a vacuum tube to control the flow of electrons through the tube
同义词:control grid
a cooking utensil of parallel metal bars; used to grill fish or meat
同义词:gridiron