betalight
基本解释
- 氚发光器件
英汉例句
- The betalight consists of a glass container (usually in the form of a slender tube or two fused glass plates) filled with tritium gas.
不需要外部提供能源,但发光性却非常可靠。 - The lifetime of a betalight is limited by the half-life of the tritium gas (12.3 years);
尽管玻璃气室的破裂会释放其中装有的放射性氚气体,但是在正常使用期间并不会造成对外的放射。