Thus the system can obtain better openness, extensibility, portability and usability. 2) The principleofdevelopment environment selection is presented.
提出了选择开发环境的原则，并按照此原则确定了本系统的开发环境。
2
The paper introduces the reasons, course and design principleofdevelopment of the serpentine belt conveyor, and analyzes its popularization and economic yield in the Xinjiang Coal-Coke Group.
In this paper, I apply this principle to the problem of delivering large, complex development projects on time, within budget, and meeting stakeholder needs.