求翻译：是项目从开始到结束按照一定顺序的步骤从需求分析进展到系统测试直到提交用户使用，提供了一种结构化的自上向下的软件开发方法，每阶段主要工作成果从一个阶段传递到下一个阶段，必须经过严格的审查和测试，以判断是否可以开始下一阶段，各个阶段互相独立，不重叠。是什么意思？

Progress of the project from start to finish by a certain sequence of steps from requirements analysis to system testing until submitted to the user, and down from the top of a structured approach to software development, the main results of the work of each stage is passed from one stage to the nex

Is the project from start to finish in a certain sequence of steps from requirements analysis to system test until you submit the user provides a structured top-down approach to software development, each stage of work from one stage to the next stage, you must go through a rigorous review and testi

Is the project from starts to progress to the conclusion according to certain smooth step from the demand analysis to the system test until the submission user use, has provided one structurized top-down software method of exploitation, each stage prime task achievement transmits from a stage to the

Is the project from beginning to end in a certain sequence of steps from requirements analysis to test until the user uses the system, provides a structured method of software development from top to bottom, each main results passed from one phase to the next phase of its work, must undergo a rigoro

正在翻译，请等待...