项目经理花费更多时间关注防止问题和解决问题。
The project manager spends more time focusing on preventing problems than dealing with problems.
其区别主要体现在关注问题的角度不同和解决问题的方法有差异，两者也因此体现了不同的学术价值和理论意义。
The main difference shows their different perspectives on and solutions to problems, thus the academic values and theoretical significances are also presented.
非线性规划作为最优化理论的重要分支，其研究问题的领域和解决问题的方法自上世纪60年代以来是各学科关注的焦点。
As an important branch of optimization theory, nonlinear programming has always been research field which was universal concerned by various disciplines since the 1960s.
非线性规划作为最优化理论的重要分支，其研究问题的领域和解决问题的方法自上世纪60年代以来是各学科关注的焦点。
As an important branch of optimization theory, nonlinear programming has always been research field which was universal concerned by various disciplines since the 1960s.
应用推荐