After we learnt enzymatic isolation method of YANG Hong-yuan and ZHOU Chang, we explored to develop a pressure cover glass method of observation on embryo sacs.
After we learnt enzymatic isolation method of YANG Hong-yuan and ZHOU Chang, we explored to develop a pressure cover glass method of observation on embryo sacs.
我们在学习了酶解法之后，摸索研究了一种观察甜菜胚囊的压片法。