英语词典
Isolating the stem secondary xylem of the seedling, the results revealed that its cellular form have wood fiber, septate wood fiber and vessel element, there are two types of perforation plate, simple perforation plate and scalariform perforation plate.
离析实生苗茎次生木质部,发现其细胞组成有木纤维、分隔木纤维和导管分子,导管分子穿孔板有单穿孔板和梯状穿孔板。
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