“草品种提纯复壮”的概念、定义、翻译、参考文献-科学参考

单词	草品种提纯复壮
释义	草品种提纯复壮 Encyclopedia 农学草品种提纯复壮释 purification and rejuvenation of grass varieties草品种提纯复壮采用适当的选种措施，结合除杂去劣，选择保留符合本品种原有典型性状的单株，并采用良好的栽培方法逐步扩大繁殖其种子，使种子由杂转纯，由退化复壮，以获得相对纯的、生活力强的、无混杂退化的种子，用以替换已混杂退化的种子，使退化的草品种恢复其原来的生产能力、优良品质和抗性水平的方法。
随便看	aircraft impact test aircraft indoor near field RCS measurement for full scale aircraft aircraft infrared radiation signature measurement of scale aircraft models aircraft integration test of armament system and avionics system aircraft intelligent actuation system aircraft iron bird test rig aircraft jet tests in wind tunnel aircraft jettison test in wind tunnel aircraft landing distance aircraft landing gear aircraft landing gear structure aircraft landing system aircraft landing weight aircraft large part collaborative assembly and measuring calibration system aircraft leasing aircraft level measurement aircraft life aircraft lifetime aircraft lift-drag ratio aircraft lift-off speed aircraft lighting system aircraft lighting system test aircraft lightning test aircraft load aircraft look-down angle

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