“Johnson Doctrine”的概念、定义、翻译、参考文献-科学参考

单词	Johnson Doctrine
释义	Johnson Doctrine Encyclopedia 历史学美国历史释 Johnson Doctrine约翰逊主义冷战时期美国总统L.B.约翰逊（1963～1969年在任）分别针对越南战争、多米尼加政局动荡而提出的对外政策。
随便看	negative regression negative reinforcement negative relation negative resistance negative resistance amplifier negative-resistance device negative-resistance oscillator negative response negative result negative root negative rotation negative selection negative semi-definite negative semi-definite form negative semi-definite kernel negative semi definite matrix negative semi-definite matrix negative semi-definite operator negative semi definite quadratic form negative semi-definite quadratic form negative semi-definte quadratic form negative semi-orbit negative semi-trough negative sense single-stranded RNA virus negative sequence

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。