例句與造句

1. It uses an array of LIDARs ( scanning laser beams ) to gather this information about size and distance, using an optical concept called coherence ( wherein waves of the same frequency align perfectly .)
2. A film recorder exposes film through various mechanisms; flying spot ( early recorders ); photographing a high resolution video monitor; electron beam recorder ( Sony HDVS ); a CRT scanning dot ( Celco ); focused beam of light from a light valve technology ( LVT ) recorder; a scanning laser beam ( Arrilaser ); or recently, full-frame LCD array chips.
3. It's difficult to find scanning laser beam in a sentence. 用scanning laser beam造句挺難的