economical

• Rational thought on building economical government
  资源节约型社会的核心是节约土地
• Economical operation for water injection system of oil field
  油田注水系统经济运行
• Most economical intelligent realization of control system
  控制系统的最经济智能实现
• At least bachelor degree in financial or economical fields
  财经专业本科以上学历。
• 5 . very economical operational costs . and so on
  在活性碳的过滤中，效果极佳。
• The economical analysis of enterprise informatization
  企业信息化的经济学分析
• Going by train is more economical than going by plane
  坐火车比坐飞机更省钱
• An analysis of the rural economical elites ' outflow to cities
  培训广告的社会学分析
• He has never learned to be economical or temperate
  他根本不懂得节俭和克制。
• Numerical solution on economical operation for pump station
  泵站经济运行的数值解法