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农业科学
simplify experiment
The plantlets formed 3-4 leaves and 6~7cm high, they were transferred into pots. Rhizomes were used as simplify experiment materials, in order to cut down tissue culture cost.
同时,本研究还以春兰的根状茎为材料,进行简化试验,以降低工厂化生产的成本。
交通运输工程
short form test