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Terms for subject Earth sciences containing improved | all forms | exact matches only
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improved grassland改良草地【土】
improved irrigation systems改进型灌溉系统
improved stratospheric and mesospheric sounder改进的同温层和散逸层探测仪
improved TIROS operational satellite改进型泰罗斯业务卫星泰罗斯卫星
improved TIROS operational system改进型泰罗斯卫星运行系统
the improved source parameter imaging method改进的源参数成像法
under improved land改良不足的土地