Because of the improvements in physical process parameter, grid nesting and 4-d assimilation of data and so on, its performance was improved greatly and its application scope was expanded.
由于在物理过程参数化、网格嵌套、资料四维同化等方面也有许多改进，大大改善了模式性能，扩展了其应用范围。
In the process of grinding, the grinding force is a key physical parameter, generally reflecting properties and state of material, and the characteristics of grinding wheel and abrasion state.
在硅片磨削过程中，磨削力是综合反映工件材料性质和状况、砂轮特性和磨损状态、加工用量和工艺系统参数等因素的一个重要物理参量。
The treatment of the food wastewater by physical chemistry and A -O biosynthesis has been introduced in this paper. The technological process and the design parameter of equipment are also described.
介绍一中型食品厂采用物化-厌氧-好氧技术处理其废水，给出了工艺流程及设备、构筑物设计参数。
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