“简单机械”的概念、定义、翻译、参考文献-科学参考

单词	简单机械
释义	简单机械 Encyclopedia 理学静力学释 simple machinery简单机械人类在劳动实践中最早创造的结构简单的机械，包括杠杆、滑轮、斜面、螺旋、尖劈等。
随便看	plant systematics plant taxonomic system plant taxonomy plant temperature Plant the State Tree of Russia plant tissue plant tissue and cell culture plant tissue culture plant tissue culture medium plant tissue culture technique plant toxins plant tumor plant vaccine plant varieties trade plant variety plant variety protection plant variety rights protection plant virus plant virus diseases plant water potential plant zinc deficiency symptom plant zinc nutrition plant zinc toxicity Plant，Soil and Environment Planudes

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。