“海防与塞防之争”的概念、定义、翻译、参考文献-科学参考

单词	海防与塞防之争
释义	海防与塞防之争 Encyclopedia 历史学历史事件释 Argument between coast defense and border defense海防与塞防之争中国清同治、光绪年间出现边疆危机，统治阶级内部在国防部署上进行的争论。
随便看	sigma discrete family sigma-discrete family sigma electron sigma field sigma-field sigma field of events sigma-field of events sigma-field of sets sigma field prior to tau sigma-field prior to tau sigma-field prior to τ sigma-field strictly prior to τ sigma-finite sigma finite measure sigma-finite measure sigma-finite measure space sigma formyl complex sigma-formyl complex sigma-function sigma-group Sigma hypernucleus sigma hypernucleus Sigma hyperon sigma hyperon sigma-ideal

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。