selenium photocell造句

例句与造句

1. Kurt Kramer introduced a selenium photocell to medical research.
2. By the mid-1930s, selenium photocells controlled assembly lines, elevators and looms.
3. The first used an array of selenium photocells and wires to transmit an image to an array of light, which were then used to expose a piece of photographic paper.
4. The use of a selenium photocell to select the shutter speeds and aperture let novices use the camera as a " point & shoot ", with good results obtained most of the time.
5. It's difficult to find selenium photocell in a sentence. 用selenium photocell造句挺难的