“二阶变分”的概念、定义、翻译、参考文献-科学参考

单词	二阶变分
释义	二阶变分 Mathematics ＞分析学＞变分法＞释义 second variation二阶变分 second-order variation二阶变分 second variation二阶变分^†
随便看	cross spectral density cross-spectral density cross-spectral function cross-spectral purity cross spectrum cross-spectrum cross-spectrum analyzer cross-staff cross sterility Cross-stick at back of chariot cross-stitch curve cross-stitch embroidery of Qiang nationality Cross Strait Cross-Strait Academic Conference on Archives and Micrographics Cross-strait Commonly Used Dictionary Cross-Strait Exhibition and Academic Conference of Minor Operas Cross-Strait Sea Transport Agreement cross-stream instability cross-sum cross surface cross-symmetry condition cross system information service cross tail electric field Cross-Taiwan Straits Symposium on Historical Chinese Grammar cross-talk

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。