playing field

• Why was there no sense of urgency on the playing field or with in the command system
  为什麽现场和指挥系统没有体现紧迫性？
• An artificial substitute for such a grassy layer , as on a playing field
  人工草皮人工种植的这种草皮的替代品，如在运动场地上
• Level playing field
  公平竞争环境
• Icac strives to maintain level playing field for businesses through comprehensive strategy
  廉署全面反贪策略有助维护公平营商环境
• Why was there no sense of urgency on the playing field or with in the command system
  为什么在现场内和指挥系统内没有体现紧迫性？
• Playing field equipment - fistball equipment - dimensions , requirements and test methods
  运动场用设施.手球设备.尺寸要求和试验方法
• The context is set by playing field ( environment ) and rugby rules ( controls )
  由比赛场地（环境）和橄榄球规则（控制）来决定前后关系。
• Playing field equipment - fixation points - functional and safety requirements , test method
  运动场地器材.定点.功能和安全要求的试验方法
• Playing field equipment - hockey goals - functional and safety requirements , test methods
  运动场地器材.曲棍球门.功能和安全要求.试验方法
• Playing field equipment - football goals - functional and safety requirements , test methods
  运动场设备.足球球门.功能和安全要求及试验方法