“proper variation”的概念、定义、翻译、参考文献-科学参考

单词	proper variation
释义	proper variation Mathematics proper variation正常变分^†
随便看	ultra wideband wireless systems ultra-wideband wireless systems ultrocold neutron Ulugata Hydro-Junction Ulugh Ulugh Beg Ulugh Beg Observatory Uluguri Ulungur Hu Endemic Fish National Aquatic Germplasm Resources Reserve Uluru-Kata Tjuta National Park Uluru–Kata Tjuta National Park ULV Ulva Ulyanovskaya oblast Ulysses Ulysses probe Ulügh Beg Ulūgh Ulūgh Beg Ulūgh Beg (1394—1449) Ul’yanov UMA UMa UMa cluster U-magnitude

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。