回返动脉为ACA-A1段发出的穿动脉中最粗大的血管，起源部位、行程及数量变异大。
Recurrent artery of Heubner was the thickest among the perforating arteries of ACA-A1 segment. It original location? course and amount varied much.
根据来自非洲、亚洲和欧洲的270个人的基因分析资料，科学家们绘制了新的“复制数量变异”图，它将改变科学家们寻找与疾病相关的遗传因子的方式。
The new CNV map – compiled from 270 individual genomes of people with African, Asian and European ancestry – will change the way in which scientists search for genes involved in disease.
据巴西的一项试验显示，在放出大量变异昆虫后数月内，未经变异的该类昆虫数量会大幅下降。
A trial in Brazil suggests that releasing swarms of modified insects can reduce the unmodified population in months.
据巴西的一项试验显示，在放出大量变异昆虫后数月内，未经变异的该类昆虫数量会大幅下降。
A trial in Brazil suggests that releasing swarms of modified insects can reduce the unmodified population in months.
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