Mathematical planning research has been introduced and developed into a relatively complete logistics discipline in China for more than forty years, and has achieved many good results. Theoretically, what China is learning is not far from the international advanced level in some areas, but these areas are not extensive enough. From the perspective of application, there is still a big gap between China's mathematical planning and developed countries, which shows that many large enterprises or state institutions rarely use mathematical planning methods to quantitatively analyze and solve problems. Operational Research: The Road to Prosperity in 2 1 Century —— 15 Summary of the Congress of the International Federation of Societies for Operational Research Zhang Chengkan

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Probably just don't admit that you are more water.

In fact, the theory is not advanced enough, and the key theoretical achievements are even less.