“永冻层次”的概念、定义、翻译、参考文献-科学参考

单词	永冻层次
释义	永冻层次 Encyclopedia 农学永冻层次释 permafrost layer永冻层次土壤圈中持续多年常年土温≤0℃、处于冻结状态的层次。包括土壤或岩石，以及冰或有机物质。
随便看	ternary arithmetic ternary cathode material ternary collision ternary complex ternary composition ternary connective ternary continued fraction ternary copolymerization ternary field ternary fission ternary form ternary Goldbach conjecture ternary Goldbach problem ternary monomial group ternary notation ternary number ternary number system ternary operation ternary phase diagram ternary projective group ternary quadratic form ternary relation ternary representation of numbers ternary ring ternary semiconductor compound

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。