请各位正要毕业或者已毕业的童鞋务必要遵守学术道德和学术规范，诚实守信，好好学习，天天向上，不要想走捷径，也请勿当枪手~~Ans.: In lean programs, almost nothing is delivered until a downstream desire occurs. Which is why a lean program is named a pull program.只有拥有丰富的毕业论文导… Read More