“evaluation of grassland productivity grade”的概念、定义、翻译、参考文献-科学参考

单词	evaluation of grassland productivity grade
释义	evaluation of grassland productivity grade Encyclopedia 农学草地生产力等级评价释 evaluation of grassland productivity grade草地生产力等级评价以草地牧草品质的优劣定等，以草地牧草产量的高低定级的评估方法。
随便看	means and methods of warfare mean sea level mean sea-level mean sea level transfer mean sea surface mean shift mean sidereal day mean sidereal second mean sidereal time mean sidereal year means of consumption means of health supervision means of national economic management means of payment mean solar day mean solar second mean solar time mean space mean speed mean speed of gas molecular relative motion mean spherical approximation mean spheroid mean square mean-square approximation mean-square consistent estimator

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