英语词汇“natural radiation background”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	natural radiation background
释义	natural radiation background un. 天然放射性本底
随便看	graduated hardening graduated hopper chargine graduated hopper-charging graduated income tax graduated increasing graduated in english graduated in inches graduated inside calliper graduate diploma graduated jar graduated leaf spring Graduated Lease graduated length method graduated-license graduated line graduated L-square graduated l square graduated measuring glass cylinder graduated meridians graduated micrometer collar graduated outside calliper graduated parallels Graduated payment graduated payment mortgage graduated periodontal probe 古古今今多更改，贫贫富富有循环古君子志于道，据于德，依于仁，而后艺可游也。古坟零落野花春，闻说中郎有后身古城楼影横空馆，远寺钟声带夕阳。古塔荒台出禁墙，磬声初尽漏声长古墓犁为田，松柏摧为薪。古墓碑表折，荒垅松柏稀古墓里摇铃，和哄死尸古宫闲地少，水港小桥多。古寺云依鹤，空潭月照龙。后熟后燕后父后爸后爹后王后生后生仔后生女后生子