细心观察，认真分析，科学总结。
Careful observation, seriously analysis and scientific summary.
细心观察，认真分析，科学总结。
Careful observation seriously analysis and scientific summary.
根据多年油菜制种经验和皖油27号父母本生育特点，科学总结了制种技术。
According to many year rape breeding experience and the characteristics of the parents of hybird rapeseed Wanyou 27, the seeds prooluction technique of Wanyou 27 was summarized.
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