helium- counter

基本解释

• [物理學]氦氣計數琯氦計數琯

英汉例句

雙語例句

• 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。

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词组短语

短語

• helium -3 counter 氦3計數器

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专业释义

物理學

• 氦氣計數琯
• 氦計數琯