“paleo-permafrost in China”的概念、定义、翻译、参考文献-科学参考

单词	paleo-permafrost in China
释义	paleo-permafrost in China Encyclopedia 理学中国的古冻土释 paleo-permafrost in China中国的古冻土中国有确切年代证据的古冻土遗迹的最早时期约为距1950年之前的15万年。绝大多数冻土遗迹是晚更新世寒冷期以来的，对恢复古冻土和古地理环境十分关键。
随便看	cardinality function cardinality of a set cardinality of the continuum cardinality property cardinally equivalent set cardinal multiplication cardinal number cardinal number class cardinal number of a set cardinal number of the continuum cardinal of the Holy Roman Church cardinal plane cardinal point cardinal point of coaxial optical system Cardinal Principles of Secondary Education cardinal product cardinal signs cardinal sum cardinal vowels carding carding machine cardioblast cardio-cerebrovascular biomechanics cardio-diaphragmatic region cardiogenic shock

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。