“reverse pyramid of grassland system”的概念、定义、翻译、参考文献-科学参考

单词	reverse pyramid of grassland system
释义	reverse pyramid of grassland system Encyclopedia 农学草业系统“倒金字塔”释 reverse pyramid of grassland system草业系统“倒金字塔” 在人类强烈干预和已有科学技术手段支持下，通过农学措施提高各个转化阶段的草地生产能力，使经济效益逐级放大（或增值）的“倒金字塔”模式。
随便看	screw mechanical supercharger screw mechanism screw micrometer screw microscope screw moment screw motion screw operation screw pinch screwpine family screw pitch screw press screw propeller screw pump screw pump completion string screw pumping system fault diagnosis technology screw refrigerator screw rotation screw ship unloader screw-socket screw spindle type turning gear screw theorem screw theory screw thread artefact screw thread metrology technique screw thruster

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