单词	系统模块
释义	系统模块system module
随便看	optical astronomer optical astronomy optical asynchronous cdma optical attached cable optical attenuation optical attenuator optical autocorrelator optical automatic gain control optical automatic ranging optical axial angle optical axis optical axis figure optical axis of crystal optical axis-- optic axis optical axis; optic axis optical axis 〔of crystal〕 optical backplane optical bandpass filter optical bandwidth optical bar code reader optical bar-code reader optical bar code reader，obr optical bar reader optical base-line measuring apparatus optical beam focusing