At present there exist two kinds of manufacturing met hods for silicon-based lasers,i.e.,heteroepitaxy and bonding.
目前制作硅基激光器的方法
为两类，
质结外延生长和质材料键合。
At present there exist two kinds of manufacturing met hods for silicon-based lasers,i.e.,heteroepitaxy and bonding.
目前制作硅基激光器的方法为两类，质结外延生长和质材料键合。
In this paper, we studied the screening me hod, procedure and results of rice somatic mutants with resistance to Pyricularia oryzae Cay. using phytotoxin.
摘 本文研究
抗稻瘟病细胞突变体筛选方法、程序与结果，并对有关问题进行讨论。
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