本征半导体 [电子] intrinsic semiconductor ; [电子] proper semiconductor
农村集体土地征收补偿制度 the system of compensating for expropriation of rural collective land
生命体征 Vital signs ; vitl sign ; signs of life ; Integration of life
体征 Signs ; physical sign ; Signs and Symptoms ; kwashiorkor
非本征半导体 [电子] extrinsic semiconductor ; extrinsic semicon ; eye diagram mask test
文体特征 stylistic features ; stylistic characteristics ; Style characteristic
症状和体征 symptom and sign ; Sings and symptoms ; Symptoms & signs ; Symptoms and physical signs
脆性X染色体综合征 Fragile X syndrome ; Fragile X chromosome ; FRA ; FRAX
三体综合征 trisomy ; trisomy 21 syndrome ; trisomy syndrome ; Patau
本征晶体 [晶体] intrinsic crystal
很多使胚胎发生破坏或者丢失染色体而导致流产，但有一些则出现如唐氏综合征这样的状况！
Many embryos that have damaged or missing chromosomes miscarry, but others go on to produce conditions such as Down's syndrome.
卵细胞染色体数目错误可能会导致胚胎流产，或导致唐氏综合征之类的严重婴儿病症。
Having the wrong number of chromosomes can cause an embryo to miscarry, or lead to serious medical conditions such as Down's syndrome.
脆性X综合征，一个X染色体上的基因突变，是遗传性智力障碍最常见的来源，每4000名男孩和每6000名女孩中就有一名儿童患有该症。
Fragile X syndrome, a single genetic mutation on the X chromosome, is the most common source of inherited mental impairment, affecting one in every 4,000 boys and one in every 6,000 girls.
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