“experiment in Ding County”的概念、定义、翻译、参考文献-科学参考

单词	experiment in Ding County
释义	experiment in Ding County Encyclopedia 法学农村释 experiment in Ding County定县实验由中华平民教育促进会总会在定县（今定州市）进行的平民教育和乡村建设运动。
随便看	periodic sequence periodic set periodic signal periodic solution periodic sound periodic spectrum periodic speed fluctuation periodic state periodic stream periodic structure periodic subgroup periodic surface periodic surface calculation model periodic system periodic systematic sampling periodic system of elements periodic table of elements periodic term periodic training principle periodic trajectory periodic transformation periodic treatment periodic trend periodic variable periodic variation

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