全程观察生长过程，定期称重，测定各脏器重量指数及骨髓多染红细胞微核率。
The growth change, organ weight index and micronucleus-forming rate of bone marrow polychromatic erythrocytes were observed in all groups.
通过观察小鼠骨髓细胞染色体畸变和骨髓嗜多染红细胞微核率，研究对小鼠细胞遗传学的影响。
To study the cytogenetic changes, we observed the mice bone marrow cellular chromosome aberration and bone marrow polychromatic erythrocyte micronuclei ratio of mice marrow.
研究了2，4-甲苯二异氰酸酯对小鼠的急性经口的毒性以及其对小鼠骨髓嗜多染红细胞微核率的影响。
Studied the acute toxicity effect of 2,4tolylene diisocyanate on mice by mouth and the influence of micronucleus frequency of mice bone marrow.
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