单词	地松鼠属
释义	地松鼠属Citellus
随便看	optical storage technology association optical strain gage optical strain gauge optical strain sensing optical stress pattern optical strip waveguide optical strip waveguide circuit optical strip waveguide components optical strip waveguide coupler optical subcarrier multiplexing optical subscriber loop optical subsystem optical superposition principle optical supervisory channel optical surface optical surface grinding optical surface wave optical susceptibility optical switch optical switching optical switch matrix optical synchronization optical synthesizer optical system optical system design