A mutation that led to slightly improved vision benefited the individual in which it first occurred.
导致视力稍微提高这一突变给第一个经历这种突变的个体带来了好处。
The cockpit and its bubble canopy give the pilot unobstructed forward and upward vision, and greatly improved vision over the side and to the rear.
座舱和水泡形舱盖消除了飞行员的前视和仰视阻碍，并极大的提升了侧视和后视视野。
Conclusion: Huoxue Huayu intravenous injection treatment of eye contusion hemorrhage significant effect, markedly improved vision after treatment.
结论：活血化瘀针剂静脉注射治疗挫伤性眼内出血效果显著，治疗后视力明显提高。
Conclusion: Huoxue Huayu intravenous injection treatment of eye contusion hemorrhage significant effect, markedly improved vision after treatment.
结论：活血化瘀针剂静脉注射治疗挫伤性眼内出血效果显著，治疗后视力明显提高。
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