“Permian”的概念、定义、翻译、参考文献-科学参考

单词	Permian
释义	Permian [`pǝr·mē·ǝn] ^GEOLOGY The last period of geologic time in the Paleozoic era, from 280 to 225 million years ago.
随便看	right-justify right-laid right lang lay right-lateral fault right-lateral slip fault right-of-way right parallelepiped right prism right rudder right section right side up right-slip fault right sphere right spherical triangle right strophoid right triangle right truncated prism right value right way up rigid body rigid-body dynamics rigid copper coaxial line rigid coupling rigid frame rigid insulation

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。