医生可以作这项检查。也可以自己用指尖脉博血氧仪来自行监测血氧含量，该血氧仪在医药用品商店有售。
A doctor can check this for you; you can also monitor it yourself using a finger pulse oximeter, available in medical supply stores.
因此对于那些急于扶植、激发活动分子的政客们以及想要把握党派脉博的记者们来说，年会越来越无价值。
So for politicians eager to cultivate and rouse their activists, and for journalists trying to take the pulse of a party, the annual conferences are increasingly useless.
因为最大的总光吸收与脉搏相对应，因此脉博血氧测定仪也提供了脉率的图形。
Because maximal total light absorption corresponds to a pulse, the pulse oximeter also provides a figure for pulse rate.
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