In theory, the European Commission is encouraging similar competition with its new payment-services directive (PSD), due to come into force in 2009.
理论上来讲,欧委会奖励与新的付费服务导航同样的竞争,因为这种系统2009年才生效。
2
The paper considers traffic stream theory as directive thinking and designs network road traffic stream simulating platform using OPNET network simulating software.
以交通流理论为指导思想,提出采用OPNET 网络仿真软件设计网络道路交通流仿真平台。
3
The practice has proved, this theory frame has certain directive significance to the enterprise process reengineering.