Embryos at 4 ~ 8 cell stage showed higher survival rate and lower abnormal embryo rate than embryos at multicellular stage or early gastrula stage when radiated at the same dose and dose rate.
在相同剂量和剂量率下，处于4 ~8细胞期的胚胎存活率比多细胞期和囊胚早期高，而畸形率低。
Those abnormal embryo sacs having abnormal fertility dued to no normal eggs, which caused seed setting rate to drop.
这些异常结构的胚囊由于没有正常的卵细胞，不能正常受精，影响子粒结实。
Those abnormal embryo sacs having abnormal fertility dued to no normal eggs, which caused seed setting rate to drop.
这些异常结构的胚囊由于没有正常的卵细胞，不能正常受精，影响子粒结实。
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