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- For unknown class label samples set，an unsupervised feature selection algorithm based on center distance ratio principle is proposed. 针对未知类标号的样本集，提出基于中心距离比值准则的无监督特征选择算法。
- 2 A new intrusion detection method is proposed based on WHVDM kernel function and Center Distance Ratio(CDR). 2 提出了基于WHVDM核函数和中心距离比值法的入侵检测。
- center distance ratio (CDR) 中心距离比值
- Incremental support vector machine based on center distance ratio 基于中心距离比值的增量支持向量机
- center distance ratio 中心距离比值
- The center distance of R/L crank between piston with cylinder concern the power of engine. 活塞与汽缸的间隙直接影响引擎运转之特性，因此最佳的间隙值会使引擎产生最佳的马力及燃烧的废气。
- Model : Defined by the center distance between shafts. The bigger the model number. The bigger the reducer structure. 型号:由减速机入力和出入之中心距而定，型号越大，减速机体积越大。
- Dies seat: Adopt West Germany technology (Inlay type), assure the drawing center distance to avoid the wire breakage. 模座：采用西德技术（镶入式），保证拉伸的中心距，减少断线机率。
- KT-series is as the same as ZT-series and its principle is adjusting the center distance of roller-sting to welding the weld material of different diameter. KT系列产品与ZT系列产品相同，工作原理是人工调正滚轮架的中心距，以适应不同直径焊接体的焊接。
- When the center distance of two involute gears is fixed, the plane higher pair composed by them will introduce one restriction to the mechanism. 摘要当参与啮合的两个渐开线齿轮之间有固定的中心距时，其构成的平面高副引入一个约束；
- The change of center distance due to non-conjugate of corrugating roller in molding corrugated board process was discussed. 摘要论述了瓦楞辊在成型瓦楞纸板过程中，由于瓦楞辊的齿形是非共轭齿廓，中心距是变动的。
- Methods The new algorithm intersects two different PSO algorithms: global neighbor PSO and local neighbor PSO.The fitness distance ratio (FDR) is selected to update the velocity of the local PSO. 方法该算法将全局邻域粒子群算法与局部邻域粒子群算法交叉使用，并采用适应度距离比确定局部邻域粒子群算法的速度更新策略。
- Ship hull's sagging and hogging may cause center distance increasing or reducing to longitudinally disposed gear housing. 船体中垂及中拱弯曲变形会使沿船体纵向布置的齿轮座中心距产生增减。
- The center distance of the roller on the cradle draft assemble greatly affects the yarn eveness, hairiness and ends breakage. 摘要牵伸装置上罗拉的中心距及其定位对成纱的条干不匀率、毛羽、断头都有较大影响。
- Calculates the coordinates of the spindle and drive shaft and checking the center distance, determined department spindle must use dislodges the gear. 计算主轴、传动轴的坐标并进行中心距验算，确定部分轴上需采用变位齿轮；
- Verticality of track and wheel should more than 999/1000.The center distance of wheels is 5835mm and the relative difference of it is no more than 1mm. 轮对轨间的不垂直度不得大于1/1000,车轮顺轨中心间距5835mm的相对差值不得大于1mm。
- It is indicated that Suxiaohong grape has closest relationship with Vitis vinifera by 0.00 and0.20 distance ratios of EST and PER isozyme pattern. 酯酶同工酶和过氧化物酶同工酶的酶谱显示:宿晓红葡萄与欧洲葡萄酶谱距离系数分别为0.;00和0
- In order to avoid the “midconvex” of tooth profile and the serious abrasion in dedendum, the technology of center distance variation was adopted. 为了避免出现齿面“中凸”及齿根部研磨较严重的现象，采用了变中心距研齿工艺。
- The product output to sprain torque ,which make gears the least load and (with the equal center distance)can inproue more 30% bearing capacity than the traditional load capacity. 本产品为输出升扭，使各档轮所受载荷减小，相同中心距较传统结构提高承载能力30%25以上。
- The article introduces the calculation equation of how the gauge sets up and calculates the roller center distance which is of guiding signification to cotton mills and cradle manufacturers. 文章介绍了摇架上罗拉隔距规设定隔距的计算公式的推导过程，对棉纺厂、摇架制造厂具有指导意义。
