英语词汇“four-level material”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	four-level material
释义	four-level material 四能级材料
随便看	direction angle direction angles direction-annexed traverse direction annexed traverse direction arm direction arrow direction bearing direction bias sampling method Direction, C. direction c. direction center direction centre direction changing direction character direction code direction coefficient direction comparison protection system direction component direction components direction connection plug direction control direction control circuit direction control damper direction controller direction control switch 病1 病2 病3 病4 病从口入病入膏肓病入骨隨病入骨髓病国殃民病在膏肓薪津薪火薪炭薪给薪资薪酬薪金薪饷薮薯