“gudui springhead water”的概念、定义、翻译、参考文献-科学参考

单词	gudui springhead water
释义	gudui springhead water Encyclopedia 农学农业水土工程释 gudui springhead water古堆泉水山西新绛县有灌溉之利的泉水。又称鼓水泉、鼓堆泉。
随便看	concave down curve concave downward concave function concave functional concave grating concave kite concave lens concave metric concave minimization problem concave mirror concave operator concave polygon concave polyhedral angle concave polyhedron concave probability measure concave programming concaver concave sequence concave space concave surface concave-up concave-up curve concave upward concavity concavity coefficient

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