“古代起重机械”的概念、定义、翻译、参考文献-科学参考

单词	古代起重机械
释义	古代起重机械 Encyclopedia 工学﹝其他古代机械﹞释 ancient lifting machine古代起重机械考古记录显示，最迟在公元前515年，提升夹具和铁制的吊楔就开始出现在了古希腊人石块结构的神殿里。
随便看	horizontal vector horizontal-vertical illusion horizontal well completion horizontal well open-hole gravel pack horizontal well penetrating-layer fracturing horizontal well perforated casing completion horizontal well perforation horizontal wood drilling machine safety horizontal working areas horizontal zenith telescope horizontal zonality of vegetation in China horizon tracking Hormander Hormander operator Hormander's sum of squares hormonal contraception hormonal feedback control of the hypothalamus-adenohypophysis-target gland axis hormonal regulation of ovarian function hormonal regulation of plant senescence hormone hormone and behavior hormone and factor hormone hypersensitivity syndrome hormone receptor hormone replacement therapy

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。