crossover

• A case - crossover study of ambient air pollution and daily mortality in shanghai
  上海市大气污染与居民每日死亡关系的病例交叉研究
• Double - blind crossover
  双盲交叉
• Points and crossovers for rail haulage roads in mines ; standard types , terminology
  矿山轨道运输道路的站点和交叉点.标准类型，术语
• The algorithm avoids the process of coding and crossover so it is easy to be carried out
  试验结果表明该算法具有精度高、收敛速度快等优点。
• Simple crossovers for underground tracks ; 50 m radius , 1 : 7 inclination ; geometric dimensions
  简易的地下矿道交叉点.半径50m .斜度1 : 7 .几何尺寸
• Simple crossovers for underground tracks ; 20 m radius , 1 : 5 inclination ; geometric dimensions
  简易的地下矿道交叉点.半径20m .斜度1 : 5 .几何尺寸
• Simple crossovers for underground tracks ; 30 m radius , 1 : 6 inclination ; geometric dimensions
  简易的地下矿道交叉点.半径30m .斜度1 : 6 .几何尺寸
• Crossover functions may be implemented internally to a mau or elsewhere in the twisted - pair link
  交叉功能大多在mau内或双绞线链路中其他处实现。
• Technique of material - delivering by inclining rope crossover in long - distance transporting pipeline construction
  长输管道施工中斜缆索物料运送技术
• Similarity - based crossover - mutation operator and its application to mining classification rules
  基于相似度的交叉变异算子及其在分类规则挖掘中的应用