1) small subsample fluctuation method
小子样升降法
2) small sample two dimension up and down method
小样本二维配对升降法
3) lifting unit
升降小车
1.
To introduce structure of new lifting unit for layer reeling cooperating with new mechanical arranging line unit researched and manufactured for layer reeling and design course of oil pressure station.
介绍与新研制的层卷机械排线装置配合使用的新型层卷升降小车的结构及油压站的设计过程,通过与原有小车结构的对比,新型小车显示出结构简单、坚固耐用、安装维修方便的特点,解决了以往小车不稳、易磨损的问题,提高了设备的利用率。
4) dumbwaiter
[英]['dʌm'weitə] [美]['dʌm'wetɚ]
小升降机
5) lazy halyard
小升降绳
6) raising and lowering operators
升降算子
1.
Using the factorization method, four kinds of raising and lowering operators of the Landau system (a planer charged particle moving in a uniform magnetic field) are derived and the corresponding selection rules and conserved quantum numbers are discussed.
用因式分解法求出了Ｌａｎｄａｕ体系（带电粒子在垂直于均匀磁场的平面内的运动）的四类升降算子，并讨论了相应的选择定则和守恒量子
2.
In this paper,four kinds of raising and lowering operators of a \$k-\$dimensional isotropic harmonic oscillator are constructed; the corresponding systems of supersymmetric quantum mechanics are further constru cted,and their general form is discussed.
构造了 k维各向同性谐振子的四类升降算子 。
3.
Using the factorization method,four kinds of raising and lowering operators of a charged particle moving in a uniform magnetic field are derived and the corresponding selection rules and conserved quantum numbers are discussed.
用因式分解法求出了带电粒子在垂直于均匀磁场的平面内运动体系的四类升降算子，并讨论了相应的选择定则和守恒量子数
补充资料：升降法
升降法 升降法 推拿手法名。见《中医正骨经验概述》。指对肢体关节进行上下屈伸活动的一类手法。有滑利关节，舒展筋脉，解除粘连，帮助复位等作用。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条