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1)  reference variance
参考方差
2)  referenced error
参考误差
1.
According to the equivalent circuits of PT,a principle of PT’s error test based on referenced error in 2nd side is provided.
本文通过对高压电压互感器高低压侧等值电路分析,提出了低压侧参考误差方法实现电压互感器误差测试原理,通过常规方法在一个较低电压下测量电压互感器空载误差及其固定电阻下的负载误差、一次侧绕组直流电阻和二次回路参考电压点和测试点的参考误差,计算得到互感器在各种负荷下的误差数据。
3)  reference direction
参考方向
1.
The fashionable textbook of circuit and electric machine have not pay sufficient attention to the reference direction,even is given error description.
流行的电路和电机教科书对参考方向问题缺乏足够的重视,甚至出现错误的叙述。
2.
Circuit simulation experiment indicates that it has actual meaning and function to analyse actual circuit by grasping settlement of reference direction in PSpice.
电路仿真实验表明,熟练掌握PSpice中参考方向的设定,对实际电路分析具有实际意义和作用。
3.
The “reference direction”, which plays an important role in the electric circuit, is a kind of method and means for analyzing and calculating the electric circuit.
“参考方向”在电路中起着十分重要的作用,是分析计算电路的一种方法和手段。
4)  reference scheme
参考方案
5)  reference method
参考方法
1.
Study on setting up the reference method for the packed cell volume and its application;
红细胞压积参考方法的建立及应用研究
2.
Study on setting up the reference method of catalytic concentration of aspartate aminotransferase(37℃) and its application
天门冬氨酸氨基转移酶37℃参考方法的建立及其应用研究
3.
Objective To set up a reference method for platelet counting-the RBC/PLT ratio method.
目的建立血小板(PLT)计数参考方法-PLT/RBC比值法。
6)  reference equation
参考方程
1.
When the integrability of the gradients of the solutions is lower than that of the reference equations,the former can be improved approximately to the level of the corresponding linear equations by combining the properties of maximal functions with Caldern-Zygmund decomposition theorem.
当原方程弱解梯度的可积性比参考方程弱解梯度的可积性弱的时候,结合极大函数的性质以及Calder n-Zygmund分解定理,将原方程弱解梯度的可积性提高到与参考方程相近的阶数。
补充资料:并合方差
分子式:
CAS号:

性质:是按加权方式计算出的各组的共同方差,当试验分m组进行,总的测定方差s2由m组的方差si2(i=1,2, …,m)共同决定。总方差,式中ni、fi和xi;分别为第i组的测定次数、自由度和平均值,xij是第i组的第j次测定值。

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