1) R * rule
R-法则
2) B-R criterion
B-R准则
1.
The dynamic stability of the main frame of radial steel gates was studied by use of the B-R criterion, and the carrying capacities for dynamic stability of the main frame under different simple loads were obtained.
分析国内外某些低水头弧形钢闸门的失事破坏情况,指出在振动荷载作用下弧形钢闸门的支臂丧失稳定性是引起大多数闸门破坏的主要原因,据此利用B-R准则对弧形钢闸门主框架的动力稳定性进行研究,得出了几种简单荷载作用下主框架的动力稳定承载力,由此可知外荷载的类型及频率对结构的动力稳定承栽力有显著影响。
2.
Through the comparisons between the analysis of the underwater explosion loads and the existing criterions,criterions for judging the dynamic stability in underwater explosion are presented,including the B-R criterion based on the charge weight,the B-R criterion based on the standoff distance and the B-R criterion based on the new impact factor.
通过对水下爆炸载荷的分析和已有动态稳定性判别准则的对比,提出适合于水下爆炸的动态稳定性判别准则:基于药量的B-R准则、基于爆距的B-R准则和基于新型冲击因子的B-R准则。
3.
Criteria for judging dynamic stability of bulkheads in underwater explosion were presented,including the B-R criterion based on charge weight,the B-R criterion based on standoff distance and the B-R criterion based on new impact factor.
提出适合于水下爆炸的动态稳定性判别准则:基于药量的B-R准则、基于爆距的B-R准则和基于新型冲击因子的B-R准则。
3) R-D rule
R-D准则
1.
We put forward an adapted wavelet packet transform method-- adapted wavelet packet transform based on R-D rule which selects the best wavelet packet base according to R-D rule, in .
据此，我们提出了一种自适应小波包变换方法--基于R-D准则的自适应变换。
4) Method R
R法
1.
Study on the Calculation Methods of Confidence Intervals of Genetic Parameter Estimates by Method R and Number of Repeating Estimations;
R法遗传参数估值置信区间的计算方法和重复估计次数的研究
2.
Theory, Method and Application of Method R on Estimationof (Co) Variance Components;
用R法估计方差组分的原理、方法和应用
5) R-R cycle laws
R-R间期法
1.
We can draw the R rectangle wave to adopt the R-R cycle laws from the ECG waveform to measure the heart rate accurately and quickly.
介绍基于MCS-51单片机的便携多功能心率计的硬件和软件设计,从ECG波形中提取R矩形波,采用R-R间期法,快速准确地测量心率,在测量心率的同时可进行体温判断,克服了传统便携式心率计不能实时监测体温,不可判断可疑高危体温的缺点。
6) SixR's principles
6个"R"原则
补充资料：“3σ”法则
“3σ”法则
' three-sigma ' rule
次.试验者有时正是基于这一事实，在某些概率论与数理统计问题中，把事件{{X一“!)3a}视为实际不可能的，从而把事件{}X一aI<3。}视为实际必然的.在这种情形下，称试验者遵循“3a”法则.“36”法则[‘加℃e刁，.’n山;‘印exc~’np姗-JIO〕 一种经验法则.根据这种法则，在概率论和数理统计中，把“正态分布(nolll长d distribution)随机变量的值对其数学期望(姗也翩曲tical ex因血tion)的偏差不大于3倍标准差(s协n(纽记由访以沁们)”视为实际不可能事件. 设X是服从正态分布N(a，尹)的随机变量;对于任意k>0，有 p{}X一a}<人a}=2。(k)一l，其中小(·)是标准正态分布函数;特别地，对于k=3，有 p{a一3。
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