single stage

基本解釋

Using single stage version PTC to reach the temperature below 30 K is a difficult task for high frequency pulse tube cooler.
采用單級高頻脈沖管制冷機獲得低于30 K的制冷溫度是脈沖管應(yīng)用的一個新方向。
Comparison between flash system and binary cycle shows, the former should be considered a relatively better choice of single stage energy conversion system for low-medium temperature.
對閃蒸系統(tǒng)和雙工質(zhì)循環(huán)的比較表明，前者對中低溫地?zé)岚l(fā)電來說，是一種可供選擇的較好的單級能量轉(zhuǎn)換系統(tǒng)。
Research has not, however, been able to clearly show any significant difference in the benefit of these two stages, and more recently they have been combined into a single stage called N3.
不過研究人員并不能明確指出這兩個階段對人體的影響有什么明顯的區(qū)別，所以最近這兩個階段已經(jīng)被合并成一個階段，稱為N3。

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