“positive drive lift”的概念、定义、翻译、参考文献-科学参考

单词	positive drive lift
释义	positive drive lift Encyclopedia 工学电梯释 positive drive lift强制驱动电梯用链或钢丝绳悬吊的非摩擦方式驱动的电梯。这类电梯属于早期的电梯类型，已很少应用，仅在杂物电梯等中使用。不能使用对重，可使用平衡重。
随便看	rank of a web rank of commensurability rank of death cause rank of indefiniteness rank of the elliptic curve rank of the group of units rank of the people's police rank of water resources and hydropower projects rank-one method rank order rank order correlation coefficient rank order estimation rank-order method rank order statistic rank order test rank-order tournaments rank polynomial rank statistic rank-sum ratio Rank Sum Ratio，RSR rank sum test rank test rank test statistic rank theorem rank-two method

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。