... method of moments 矩量法 method of raising seedling 育秧方法 method of random proportional sampling 随机比例抽样法 ...
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Raising rice seedlings by air-pruning method and the sequential transplanting scheme of air-pruning seedling, extracting and launching seedlings by air sucking method were put forward.
采用空气整根育秧技术对水稻钵苗进行育秧试验 ，提出了水稻钵苗空气整根育秧、气吸取苗和投苗的有序移栽方案。
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