英语语法分析

These results indicate that progression of enzootic bovine leucosis is closely related to expression of P53 protein in tumorous tissues.

提示，流行性牛白血病的发生与肿瘤组织中P 53蛋白表达有重要关系。

The chromosome aberrations of cows with leucosis presented a phasic nature at the two stages of persistent lymphocytosis and lymphosarcoma.

造白细胞组织增生牛的染色体畸变在持续性淋巴细胞增生和淋巴肉瘤这两个不同时期存在着阶段性变化。