以下为句子列表：
英文: The results obtained from experiments show that occurrence of false smut of two line system hybrid rice (except resistant crosses) in the fields can be simulated with logistic equation and are closely related with resistance of crosses.
中文: 为控制日益严重的两系杂交稻稻曲病的危害 ,分别对不同杂交组合按新分级标准系统调查田间病情 ,并进行多种田间小区药剂试验和综防示范 ,探讨两系杂交稻稻曲病的发生规律及防治措施 。
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