According to the law of conservation of mass, the mathematics model of Modified-Atmosphere Packaging (MAP) is educed.
根据质量守恒定律和果蔬采后呼吸生理，推导出薄膜气调包装(map)的数学模型。
In recent years, new demands are needed urgently on mathematics fundament of geological map with the application of global positioning system (GPS) in uranium geological exploration.
近年来，随着全球卫星定位系统(GPS)在铀矿地质勘测中的应用，对地质图的数学基础方面提出了新的要求。
It is discussed and analyzed for mathematics foundation of administrative map, selected content and expression method.
对行政区划地图的数学基础、内容选题与表示方法、符号设计等问题进行分析与探讨。
When the material is prepared, each pipe is required to draw its developed map by using mathematics analysis, that is, common coordinate method and triangular method.
蜗壳的每一节，在下料时需要绘制展开图，采用数解法进行展开，即常用的坐标法或三角形法。
When the material is prepared, each pipe is required to draw its developed map by using mathematics analysis, that is, common coordinate method and triangular method.
蜗壳的每一节，在下料时需要绘制展开图，采用数解法进行展开，即常用的坐标法或三角形法。
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