The whole article revolves around the center of artistic style of Tang poetry of palace repining.

全文圍繞唐代宮怨詩的藝術(shù)風(fēng)貌這一中心來展開.

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The effect of root on soil respiration was observed mainly before repining stage with fluctuation.

種有水稻,根系對土壤總的呼吸影響主要體現(xiàn)在成熟期之前,且有相互消長的現(xiàn)象.

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