下列何種組合的檢驗之測量原理是一樣的?
pH, \mathrm{pO}_{2}
\mathrm{pO}_{2}
pH, \mathrm{pCO}_{2}
\mathrm{pCO}_{2}
\mathrm{pO}_{2}, \mathrm{pCO}_{2}
pH, \mathrm{pO}_{2}, \mathrm{pCO}_{2}