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在橡胶树优良有性系实生苗上嫁接优良无性系，即形成两合树。
The two-part rubber tree (Hevea brasiliensis) is a superior clone grafted on a seedling family.
youdao
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在橡胶树优良有性系实生苗上嫁接优良无性系，即形成两合树。
The two-part rubber tree (Hevea brasiliensis) is a superior clone grafted on a seedling family.
youdao