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- plutonium materials' age 钚年龄
- Measurement of isotopic abundance and age of plutonium material in a sealed container 密封容器中钚材料同位素丰度和年龄的测量
- Many natural materials are becoming scarce. 许多天然原料越来越少。
- The beautiful curtain is made of remnant materials. 这个漂亮的窗帘是用零头布做的。
- Some synthetic materials do not crush easily. 有些化纤衣料不易起皱。
- Everything we used was made from natural materials. 我们所用的一切都是由天然材料做成的。
- He buys the materials wholesale. 他成批地购买原材料。
- He is collecting materials for a book. 他正在为写书搜集素材。
- Building materials are expensive. 建筑材料很昂贵。
- A bin for storing ore, grain, or other materials. 仓库储放矿石、谷物或其它材料的大箱
- He is gathering materials for a new book. 他正在收集资料准备写一本新书。
- Environmentalists are keen on degradable materials. 环保分子特别喜爱能够自然分解的材料。
- Recycled materials are mostly of limited use. 再生材料大多用途有限。
- Dangerous emissions radiate from plutonium. 钚幅射出有害射线。
- DO YOU KNOW WE THE SEPARATED PLUTONIUM IS? 你知道分离钚在哪儿吗?
- All the raw materials are imported. 所有原料都是进口的。
- Plutonium radiates dangerous emissions . 钚发射危险的辐射物。
- Plutonium weapons have several ways of misfiring. 钸弹失败的可能因素有很多。
- Stockings made of one of these synthetic materials. 尼龙长袜用这些合成材料制成的长袜
- Plutonium radiates dangerous emissions. 钚发射危险的辐射物。
