正负

• Reasons for the development of thai tourism and its positive and negative effects
  泰国旅游业发展的原因和正负面影响
• A method based on statistics for mining positive and negative temporal correlation
  基于统计方法的正负时态相关性挖掘
• A . no joint resist concussion resist aging resist positive or negative tension
  A .无搭接缝耐冲击耐老化耐正负压。
• Keep your body chemistry well - balanced between negative and positive forces
  使你的身体在正负力量之间保持化学平衡。
• An analysis on rmb appreciation ' s plus - minus influences and measure of offsetting
  人民币升值的正负效应及抵消对策分析
• Direct current ( dc ) direct current is current with no reversals in polarity
  直流直流是指没有正负极性往复变化的电流。
• Positive and negative effect of economic globalization and china ' s countermeasures
  经济全球化的正负面效应及中国的对策
• Electron - positron collider
  正负电子对撞机
• Countermeasure researchmpact analysis on employment after china ' s accession to wto
  给我国就业环境带来的正负面影响分析
• Check sign indicator
  核对正负号指示器