“Jurassic”的概念、定义、翻译、参考文献-科学参考

单词	Jurassic
释义	Jurassic [jǝ`ras·ik] ^GEOLOGY 1. Also known as Jura. 2. The second period of the Mesozoic era of geologic time. 3. The corresponding system of rocks.
随便看	roughing tool rough lumber rough machining roughness roughness elements roughness factor roughness length roughness-width cutoff rough threading rough turning rouleau roulette round round-face bit round file round-head bolt round-head buttress dam rounding rounding error round ligament roundness roundnose chisel roundnose tool round of beam round of bearings

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。