“permafrost”的概念、定义、翻译、参考文献-科学参考

单词	permafrost
释义	permafrost [`pǝr·mǝ´frȯst] ^GEOLOGY Perennially frozen ground, occurring wherever the temperature remains below 0°C for several years, whether the ground is actually consolidated by ice or not and regardless of the nature of the rock and soil particles of which the earth is composed.
随便看	half-arc angle half bat half block half-breadth plan half-bridge half carry half-cell half-cell potential half chronometer half cock half column half-convergency half-course half cycle half-cycle transmission half-dog setscrew half-duplex circuit half-duplex operation half-duplex repeater half-hard half-hardy plant half-header half-height drive half-life half line

科学参考收录了103327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。