ratio of gross profit to sales “We’re very proud of the way that the glass industry has come together to face the challenge of energy efficiency and decarbonisation - which will continue to define all manufacturing and markets for the coming decades. A broad market is a group of vendors and individuals who are associated with other vendors and individuals to buy and sell certain goods. The size of the market, the size of the market, is the number of buyers. Mehrotra said: "historically, Micron in 3 d XPoint efforts focus on technology development and early stage, but because we are paying more and more attention to high value product solutions, we recently sent a team of product development resources, taking advantage of the opportunity of our eyes." In management, the plan has a double meaning, one is the work plan, is refers to according to the analysis of external environment and internal conditions, put forward in the future a certain period of time to achieve organizational goals and achieve the goal of the solution way. Secondly, plan form, it is to point to in words and index within the organization of the form of expression and organization of different departments and different members of a certain period of time in the future about the management of the direction, content and way to arrange events.