您要查找的是不是:
- Labelling- Sealed sources must be marked with a radiation warning symbol, and the activity and name of radioactive material involved. 标签-密闭源必须贴有辐射警示,并标有放射性物质的名称和活性。
- radiation warning symbol 放射性警告标志
- Just like dealing with radioactive materials, all radioactive wastes should be labeled with a radiation warning sign. 正如处理放射性物品一样,所有放射性废物都应当贴上标志以示警告。
- Apollo Space Radiation Warning System "阿波罗"宇宙辐射报警系统
- Such laboratories are designed and equipped for physical containment and are posted with biohazard warning symbols. 这样的实验室是为了物理防护措施而设计与装备的,而且贴出生物危险警告标志。
- The teacher let him off the hook with a warning this time. 这一次老师放过他,只给了一个警告。
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- I'm warning you for the last time stop talking! 我最後一次警告你--不要再说话了。
- On maps, a cross is the symbol for a church. 在地图上,十字符号代表教堂。
- She sounded a note of warning in her speech. 她在讲话中表示要引起警惕。
- Lead aprons shield people from radiation. 铅做的工作裙可使人免进辐射。
- Warning notices were strung out along the motorway. 高速公路上隔一段距离就有一个示警牌。
- Building society is warning of mortgage rationing. 住宅互助协会警告说要限额分配抵押借款。
- The car had its hazard warning lights on. 这辆汽车亮起了危险信号灯。
- Cypress branches used as a symbol of mourning. 柏枝作为悲哀象征的柏树枝
- The sirens sounded an air-raid warning. 汽笛响起了空袭警报。
- We use x as the symbol for an unknown quantity. 我们用x表示一个未知数。
- Radiation reached unheard-of levels. 辐射作用已达到前所未有的程度。
- The white bird is a symbol of freedom. 这白色的鸟是自由的象徵。
- The Cross is the symbol of Christianity. 十字架是基督教的象征。