breathing mixture

基本解釋

Method: Vital capacity (VC) was detected before and after breathing the helium-oxygen mixture in 64 non-smoking healthy volunteers, and each component of VC was analyzed statistically.
方法：測定 6 4例非吸煙健康志愿者呼吸氦氧混合氣前后的肺活量，并對其各組成部分進行統(tǒng)計學分析。
Diving at a great depth and for a long period is done in a diving chamber, with the diver spending time alternately in the water and in a pressurized environment, breathing a gas mixture.
長時間深度潛水主要依靠潛水艙來完成，在此期間，借助混合氣體呼吸的潛水員在水中停留一段時間后返回到加壓艙內(nèi)，如此反復交替。