1) non symmetric parameter
差动系数
2) differential
差动
1.
The correctness demonstrating of microprocessor transformer differential protection loop current balance mode;
论证微机变压器差动回路电流平衡方式的正确性
2.
Improvement of ultra high voltage transformer differential protection;
特高压变压器差动保护改进
3.
Differential Eddy-current Type Continuous-casting Mould Molten Steel Level Meter;
差动涡流式连铸结晶器钢水液位仪
3) differential hanging gear
差动挂轮
1.
Aim for the problem that producing gears exist precision low and error big in practical produce,passed to technically regenerate to differential hanging gears of primeval equipment(Y320 roll-gear machinery),improved some big module-small spiral angle gears of producing quantity,attained to user requirement,and received the satisfactory economic performance.
针对在实际生产中遇到的齿轮加工精度低和误差大等问题,通过对原有设备(Y320滚齿机)的差动挂轮技术改造,提高了几种大模数小螺旋角齿轮的加工质量,达到了客户要求,收到了良好的经济效益。
2.
In this paper,computer technology is applied to solve the problem that exist in selecting the differential hanging gears,such as database generation、hanging gears finding and big error of traditional calculation method,and to improve the precision and speed of finding differential hanging gears,and to satisfy the needs of actual processing.
运用计算机技术,解决机床差动挂轮选择中存在的数据库生成、挂轮查找以及传统方法计算精度低的问题,提高了机床差动挂轮的计算精度和查找速度,满足了实际生产的需求。
4) differential gear train
差动轮系
1.
Application of differential gear train in extended step-less speed variation range;
差动轮系在扩大无级变速范围中的应用
2.
Design of the speed shifting mechanism of differential gear train;
差动轮系变速机构的设计
3.
The transmission system mainly consists of differential gear train,planetary gear train,crank linkage slide mechanism and two drive motors.
该传动系统主要由差动轮系、行星轮系和2个普通电机组成,通过控制2个电机的运转和停止,使得机械压力机滑块得到2种不同的工作速度。
5) differential protection
差动保护
1.
Analysis of maloperation of generator differential protection caused by transient unbalanced current;
暂态不平衡电流引起的发电机差动保护误动分析
2.
Analysis of mal-operation of transformer differential protection;
一起变压器差动保护误动事故的分析和对策
3.
Analysis and solution of misoperation of transformer differential protection when external ground fault occurs;
区外故障变压器差动保护误动原因分析及对策
6) Differential
差动式
1.
Development of differential magne-electric comparative vibration speed sensor;
差动式磁电相对振动速度传感器的研制
2.
In order to solve the problem of dealing with the shape recovering of magnetically controlled shape memory alloy(MSMA) actuator by using spring,a new rotating MSMA actuator in the differential control way of the two MSMA elements was proposed in this paper.
分析了差动式MSMA旋转执行器的工作原理、MSMA元件变形与控制磁场及材料导磁率的关系,在磁场分析的基础上设计与研制了差动式MS-MA旋转执行器试验样机。
3.
Against the status of large scale ultra low frequency air spring vibration isolation platform, which is low damping and poor performance of low frequency, and after analyzing the existing key damping system, a new type differential Electromagnet.
本文针对大型超低频空气弹簧隔振平台阻尼小、低频隔振性能较差的现状,在比较多种提供阻尼力的方法后,提出了用电磁力作为隔振平台的阻尼力,并开发研制了差动式电磁阻尼器系统。
参考词条
补充资料：变差系数
变差系数：当两个方案的期望效益不同时，直接用标准差就不好比较了，此时就要用变差系数来测定它们的相对风险。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。