JiulBNC²³⁶²¹³⁺¹ 基本例句 n.日乌河在罗马尼亚 Using methotrexate treatment to induce cell synchronous division, combined with GTG technique, the high resolution banded chromosomes of Jiul-ong Yak were investigated. 采用氨甲喋呤阻断法使细胞分裂同步化，并结合胰酶G显带技术，研究了九龙牦牛的高分辨 G带核型。 cnki