Red cell mass, and thus oxygen-carrying capacity, remains constant over time in the healthy animal.
红细胞的数量和携带氧气的能力，在健康动物中时刻保持恒定。
Objective To study the changes of plasma volume, red cell mass, and blood volume in preoperative surgical patients.
目的研究不同外科疾病病人术前血浆量、红细胞量和血容量变化情况。
Recently, because rHuEPO can heighten red cell mass, it has been abused widely in some resistance sports and has become one of the most abused substances in sport.
因其能增高红细胞的含量，近些年来被滥用于一些耐力性运动项目中，成为运动中最为常用的兴奋剂之一。
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