1877, from radiometer "instrument to transform radiant energy into mechanical work" (1875), radiometry, from radio-, here indicating "radiant energy," + -metric. Radiometric dating attested from 1906.
双语例句
1. Consequently, radiometric dating has advanced briskly in the past 30 years.
因此, 新近三十年来,放射性计时迅猛发展.
来自辞典例句
2. Radiometric techniques are not always appropriate to the earth for uranium deposits.
放射性方法在铀矿普查中并不总是有效的.
来自辞典例句
3. Subsequent discoverjes were made by geological mapping and low - level airborne radiometric surveys.
地质填图和低空放射性航测又继续探明了一批矿点.
来自辞典例句
4. The surveyed grids were also used for radiometric probing.
该方格网还用来进行放射性浅孔测量.
来自辞典例句
5. This contributed to the second phase of development of airborne radiometric survey techniques.
