Hemophilia is a rare blood disorder, and people born with this condition have little or no clotting factor, a protein that controls bleeding.
血友病是一种罕见的血液疾病，遗传这种病的人极少或没有凝血因子，这些正是一种控制出血的蛋白质。
Whether it is low ground, mountainous or alpine meadow, the basic factor of their vegetation formation is water condition.
不论是低地草甸、山地草甸，还是高寒草甸，其植物群落发生的基本因素是充足的水分条件。
DISCUSSION: Pharmacologically intractable epilepsy of the temporal lobe, or the underlying condition, is a significant risk factor for delayed language development.
讨论：药物难治性的颞叶癫痫症或潜在疾病是语言延迟发育显著的高危因素。
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