“soil moisture conservation in farmland”的概念、定义、翻译、参考文献-科学参考

单词	soil moisture conservation in farmland
释义	soil moisture conservation in farmland Encyclopedia 农学农田保墒释 soil moisture conservation in farmland农田保墒提高农田土壤蓄水能力，减少土壤水分蒸发，保持田间水分，用以满足农作物生长期对水的需求的农耕技术。
随便看	negative recurrent state negative refraction negative refraction index materials negative-refraction-index materials negative refractive index negative regression negative reinforcement negative relation negative resistance negative resistance amplifier negative-resistance device negative-resistance oscillator negative response negative result negative root negative rotation negative selection negative semi-definite negative semi-definite form negative semi-definite kernel negative semi definite matrix negative semi-definite matrix negative semi-definite operator negative semi definite quadratic form negative semi-definite quadratic form

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