a soft silvery metallic element of the alkali metal group; burns in air and reacts violently in water; occurs in carnallite and lepidolite and pollucite
例句
用作名词(n.)
The rubidium lamps and cells are now obtainable only for replacement.现在能够得到的铷光源和容器仅作备用。
A digital servo system for rubidium frequency standards was designed with microcontroller unit,ADC and DAC.分析了铷频标内锁频环路相敏检波基本原理和数字伺服的基本方法。
