field-scaleCOCA²⁸⁰¹³⁶⁺⁵ 基本例句 🌏现地实验；现地污染场址 Study of water- demand regulations and water use efficiencies under condition of different irrigation systems of rice were carried out by serial field-scale experiments. 根据田间试验对宁夏引黄灌区水稻需水规律及节水灌溉条件下水稻田水分利用效率开展研究。 cnki