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- beta ray counter β计数管
- A beta ray. β射线
- Each emission of an alpha or beta ray accompanies the transmutation of an atom; the energy communicated to these rays comes from inside the atom. 每一次a射线或b射线的放射都伴随着原子的蜕变，因为赋予这些射线的能量来自于原子的内部。
- scintillation beta ray spectrometer 闪烁射线谱仪
- Absorbed dose point kernels of beta ray source 放射性核素辐射源的吸收剂量点核函数
- Helical orbit beta ray spectrometer 螺旋形轨道谱仪
- There was an enormous cat crouching on the counter. 柜台上蜷伏着一只硕大的猫。
- A display device that uses a cathode ray tube. 一种使用阴极射线管的显示装置。
- He placed the money on the counter. 他把钱放在柜台上。
- Can the goods be refunded at your counter? 你们柜台的商品可以退吗？
- Radioactive ray is material thing. 放射线是实际的物质。
- We should not act counter to our promise. 我们不应违背自己的诺言。
- A ray flower or the corolla of a ray flower. 舌状花舌状花或这种花的花冠
- He tipped the money in his pocket onto the counter. 他把口袋里的钱倾倒在柜台上。
- She plumped down her shopping bag on the counter. 她将购物袋蓦地往柜台上一放。
- He acted counter to old conventions. 他的行为与旧习俗背道而驰。
- I bought the watch at the jewelry counter. 这只表是我在珠宝柜买的。
- He hit me but I did not counter. 他打了我,但我没有还手。
- A ray of sunlight pierced the clouds. 一缕阳光穿透了云层。
