PET
(1) =Performance Evaluation Test 性能鉴定试验;
(2) Photoelectric Transducer 光电变换器;
(3) Physical Equipment Table 实验设备表;
(4) Production Environmental Testing 生产环境试验
CAN
(1) =Calcium Ammonium Nitrate 硝酸钙铵;
(2) Cascade Activity Numbering 串联活动编号;
(3) Committee on Aircraft Noise 飞机噪声委员会;
(4) Correlation Air Navigation 相关空中导航
Rb
(1) 【化】元素铷(rubidium)的符号
这些都是,我专门查了字典的,所有的都在这里,看看能不能帮上你。