“grass variety degradation”的概念、定义、翻译、参考文献-科学参考

单词	grass variety degradation
释义	grass variety degradation Encyclopedia 农学草品种退化释 grass variety degradation草品种退化草品种的优良性状在经过几代以后，表现逐步减弱以至变劣，甚至有时出现某些预料不到的不良性状的现象。
随便看	chemical mechanical polishing slurry chemical medium compressor chemical method chemical method discharge measurement chemical method of analysis chemical metrology for environmental safety chemical metrology for food safety chemical metrology for safety of consumer products chemical metrology in laboratory medicine chemical microscopy chemical milling chemical mineral processing chemical mineral processing of adsorption rare-earth ore chemical mineral processing of bismuth middles chemical mineral processing of carbonat gangue phosphoric ore chemical mineral processing of cut-off grade of copper ore chemical mineral processing of cut-off-grade of uranium ore chemical mineral processing of diamond concentrate chemical mineral processing of graphite concentrate chemical mineral processing of high-silium low grade iron ore chemical mineral processing of kaoline concentrate chemical mineral processing of manganese concentrate chemical mineral processing of molybdenum middles chemical mineral processing of Ni-Mo-V concentrate chemical mineral processing of quartz concentrate

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