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航天育种
释义
航天育种
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农学
航天育种
释
space flight breeding
航天育种
利用卫星、飞船等返回式航天器将作物的种子、组织、器官或生命个体搭载到宇宙空间,在太空诱变因子的作用下使其发生遗传性状变异,利用有益变异选育出农作物新品种的育种技术。
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Rationality
rationality
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rationalizing
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rational l-adic cohomology
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rationally connected manifold
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