单词	專心之能力
释义	同Concentrativeness
随便看	optical bar code reader，obr optical bar reader optical base-line measuring apparatus optical beam focusing optical beamforming optical beam-induced current image optical beam modulator optical beam propagation optical beams optical beam scanning optical beam splitter optical-beam splitting optical beamsteering optical beat interference optical beat noise optical bench optical bend optical bend attenuation optical bend sensor optical bevel protractor optical biasing optical biaxial optical biaxial crystal optical binary optical biomedical imaging