英语词汇“bottom time”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

bottom time n. the elapsed time between a diver beginning a descent underwater and beginning the ascent from the deepest point reached, used as a measure or recommended maximum for the amount of time that can be safely spent underwater at a specific depth.

ΚΠ

1957 E. H. Lanphier in Sci. of Skin & Scuba Diving iv. 133 Total time from leaving surface to starting ascent. This is usually called bottom time.

1987 N.Y. Times 3 Aug. a12 The ‘saturation diving’ technique that allows divers more bottom time by eliminating the need to compress and decompress on each dive.

2003 Occup. & Environmental Med. 60 606/2 He performed a dive to 38 m with 29 minutes bottom time.

单词	bottom time
释义	> as lemmas bottom time bottom time n. the elapsed time between a diver beginning a descent underwater and beginning the ascent from the deepest point reached, used as a measure or recommended maximum for the amount of time that can be safely spent underwater at a specific depth. ΚΠ 1957 E. H. Lanphier in Sci. of Skin & Scuba Diving iv. 133 Total time from leaving surface to starting ascent. This is usually called bottom time. 1987 N.Y. Times 3 Aug. a12 The ‘saturation diving’ technique that allows divers more bottom time by eliminating the need to compress and decompress on each dive. 2003 Occup. & Environmental Med. 60 606/2 He performed a dive to 38 m with 29 minutes bottom time. extracted from bottomn.adj. < as lemmas
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