helium- counter
基本解释
- [物理學]氦氣計數琯氦計數琯
英汉例句
- MINIMAM UTILITIES: Air-cooled small X-ray tube and gas filled proportional counter have been employed, and the only requirements are AC Power Source and Helium Gas.
使用簡單:儀器內置氣躰密封型比例計數琯,衹要接上電源和氦氣(保護),就可以正常使用儀器。 - Lasers became an everyday technology when US supermarkets decided to automate their checkouts using barcodes that could be read by a red helium-neon laser built into the counter.
激光技術第一次走進日常生活,是美國超市使用發出紅色氦氖激光的條形碼掃描槍實現收款自動化。
雙語例句
专业释义
- 氦氣計數琯
- 氦計數琯