Creates an additional mask following the specified mask in a series of masks that can be used to retrieve individual bits in a 在一系列屏蔽中的指定屏蔽后面再创建一个屏蔽，该系列屏蔽可以用于检索作为位标志设置的
When the debug session was being closed , the debugger was unable to set the iis debug flags to the state they were in when the session started 当关闭调试会话时，调试器无法将iis调试标志设置为会话启动时的状态。
If the flag is set to true the propagation role blocks will be removed as well if the logic determines that inheritance role blocks may be removed 如果将该标志设置为true ，或者逻辑确定可以删除继承角色块，则传播角色块将会被删除。
Based on the relative national standards on road design , combined with the feature of virtual reality , the design method of traffic scene is discussed in following aspects : visibility of characters , setting method of road signs , design method of road label 在国家道路设计相关强制性国家标准的基础上，结合虚拟现实技术特征，从汉字的视认性、标志设置、标线设计3个方面对虚拟交通设施模型的设计方法进行了探讨和研究。
