The mathematical relation was studied between micro amount of fragrant components and quality of Zhenmei tea by using R-type cluster and multiple regression.

用R型聚类分析、多元线性回归分析，研究了茶叶中微量香气成分与质量等级间的数理关系。

Based on an experimental study of multiple repairing welded joints on high strength offshore structure steel, the R-S-N curves and life estimation equations under Weibull distribution are presented.

对海洋平台用高强度钢焊接接头多次补焊的疲劳性能进行试验研究，给出采用威布尔分布下的寿命估算式及R—S—N曲线。

Originally developed by S. R. Ranganathan, a faceted description of an item uses multiple characteristics to provide a cross-indexing capability when information may belong to many categories.

面向方面的项目描述最初由 S. R. Ranganathan 开发，这种方法在信息可能属于多个分类时使用多个特征来提供交叉索引功能。

Our secondary criterion was to redesign the system in such a way that we could allow for replicas of an R&R database on multiple servers.

我们的次要标准是以这样一种方式重新设计系统，即我们应该允许 R&R 数据库在多个服务器上的副本。

The transfer function multiple coherence function and the iteration accuracy of the system are given and hence the conclusion…application of R. P. C. technique is feasible…has been obtained.

给出了系统的传递函数、多重相干函数及迭代精度，从而得出采用这种控制技术的可行性结论。

The experiments showed that the radar warning system using acoustooptic deflection effect can process parallel signals of multiple frequency bands in real time, and has the characteristics of quick r…

实验表明利用声光器件的雷达告警系统能够实时、并行处理多个频段信号，具有反应快、带宽大、精度高等特点，具有较大的应用潜力。

It is proved that the R-rotation graph of a elementary coronoid system is a multiple directed rooted tree containing at least 2 trees.

如果冠状系统是基本的，已经证明其R -旋转图至少包含2棵有向根树。

In this paper, a method-ARC method is introduced, by which the development chart can be drawn, of multiple-piece, equal-diameter and right-angled elbows with the radius as the arc of r.

本文介绍了一种用半径为r的圆弧绘制多节等径直角弯头展开曲线的方法——圆弧法。