“ancient dam of the Yellow River”的概念、定义、翻译、参考文献-科学参考

单词	ancient dam of the Yellow River
释义	ancient dam of the Yellow River Encyclopedia 工学[中国古代水利工程]释 ancient dam of the Yellow River古代黄河大堤中国古代黄河下游沿河水流向、在左右岸修筑的，用以约束水流、防御大洪水的挡水建筑物。
随便看	net of sets net of spheres net of surfaces net operation Netovshchina net photosynthesis net photosynthesis rate net point net population density net positive suction head net positive suction head available net premium net premium reserve net present value net primary productivity net production net protein ratio net protein utilization net protein utilization，NPU net pyranometer net reduction net reel net registration net reproductive rate net retention time

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。