1.
remote radioisotopic snow gauge
遥测放射性同位素雪量计
2.
substoichiometric IDA
亚化学计量同位素稀释分析
3.
radioisotope transmission gauge
放射性同位素透射测量计
4.
transmission type radioisotope gauge
透射式放射性同位素测量计
5.
A fall, as of rain or snow, sufficient to cover a surface to the depth of one inch.
计量单位足可覆盖地表1英寸深的降（雨或雪）量
6.
absolute isotopic abundance measurement
绝对同位素丰度测量
7.
relative isotope abundance determination
相对同位素丰度测量
8.
high-flux isotope reactor (HFIR)
高通量同位素反应堆
9.
radioisotope power device
放射性同位素能量装置
10.
radioisotopic measuring method
放射性同位素测量方法
11.
burden of a radioisotope
放射性同位素的含量
12.
oxygenisotope cosmothermometer
氧同位素宇宙温度计
13.
gas isotope ratio mass spectrometer
气体同位素比质谱计
14.
radioisotope densimeter
放射性同位素密度计
15.
Research & Design on FDL-5 Isotope Level
FDL-5型同位素料位计的研究与设计
16.
Atoms of the same element that differ in their atomic weight are called isotopes.
具有不同原子量的同一种元素被称为同位素。
17.
Research of Automatic Measurement System of the Thickness Gauge of Isotope Based on Nuclear Radiation Detector
基于核辐射探测器同位素厚度计自动测量系统的研究
18.
HYDROGEN AND OXYGEN ISOTOPE COMPOSITIONS OF SNOW ICE ON NELSON ISLAND, SOUTH SHETLAND ISLANDS, WEST ANTARCTICA
西南极南设得兰群岛纳尔逊岛冰雪的氢氧同位素组成