词汇	yearbook unit
释义	yearbook unit 年鉴股
随便看	focusing on judicial power focusing on teaching and research focusing on the key points focusing on the small towns of xincheng county focusing operation focusing optical fiber focusing optical system focusing optics focusing pectrometer focusing performance focusing photovoltaic generation focusing plane focusing pocketlight focusing point focusing-point focusings focusing scale focusing schlieren focusing screen focusing screens focusing screw focusing sleeve focusing slide focusing Soller-slit system focusing spectrometer