词汇	variety knowledge
释义	variety knowledge 杂学
随便看	channel security channel sedimentary sand orientation channel sedimentation channel sediment delivery ratio channel sediment deposition channel sediments channel segment channel segregation channel-select filter channel selecting system channel selecting telecontrol system channel selection channel selection filter channel selection order channel selection switch channel selective mode channel selectivity channel selectivity circuit channel selector channel selector circuit channel selector panel channel selector switch channel selector switchtuner channel-select signal channel-select time