Half-embryo 半胚
Four weeks after conception, the embryo that would become Corina was producing half a million neurons every minute.
怀孕四周后，将会变成科瑞娜的胚胎每分钟会50万个神经细胞。
But it tests fewer than half of the chromosomes in an embryo, so it's not a perfect indicator of overall embryo health and it hasn't been all that useful for most women.
但是它只能检测胚胎内不到一半的染色体，因此PGD对预测整个胚胎的健康情况并不理想，而且它对于大多数女性而言并不实用。
Full quality of basic media were more suitable to callus subculture than half quality of that. But MS basic medium was advantageous to plant regeneration of mature embryo.
全量培养基比半量培养基更适合愈伤组织继代；MS基本培养基有利于种胚植株再生。
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