The device is intended to help emergency medical providers with minimal training to deliver oxygen to patients with results similar to those a hospital surgeon might obtain.
该设备的目的是帮助那些只进行过最基本培训的急诊医务人员，使他们能像那些医院里的外科医生一样为病人提供氧气。
But, in strength training, the heart rate, systolic and diastolic blood pressures increase with little increase in cardiac output or oxygen consumption.
但是，力量训练可引起心率、收缩压、舒张压增高，而心脏输出量和氧耗量没有增加。
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