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词汇
勾股
释义
勾股
gōu gǔ
直角三角形夹直角的两边﹐短边为勾﹐长边为股;在立竿测太阳高度时﹐日影为勾﹐标竿为股。广义说法﹐包括勾股定理的研究和应用。参阅《周髀算经》卷上。
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更新时间:2026/6/27 14:36:50