这个文件（项目文件）包含在项目一级的信息是用来建立一个单一的项目或子项目。其他用户可以共享项目（DSP）文件，但他们应该出口makefiles当地(This file (the project file) contains information at the project level and is used to build a single project or subproject. Other users can share the project (.dsp) file, but they should export the makefiles locally.)