勤学如春起之苗，不见其增，日有所长。
新鞭芽的萌发顺序自基部起，但多年苗新鞭芽的萌发率很低；
The buds of new scourge sprouted from the base on, and the sprouting ratio was very low.
本试验自1984年起，对获得草莓无毒苗的方法和无毒苗的应用技术进行了研究。
Studies on technique of producing virus-free clones of strawberry plant were performed from 1984.
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