It offers full coverage of how materials are made or obtained, their physical properties, their mechanical properties, how they are used in construction, how they are tested in the lab, and their strength characteristics--information that is essential for material selection and elementary design.
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Their physical properties and application functions are better than the corresponding wettable powders and emulsion.
其物理和应用性能优于相应的可湿性粉剂和乳油。
Higher polymer modification: it can blend with PE, PP and PS to modify their physical properties and widen their USES.
高聚物改性：可以与聚乙烯、聚丙烯、聚苯乙烯等塑料共混改性，改善其物理性能，使其获得更大范围的应用。
One mate rial can be distinguished from another by their physical properties: color, density, specific, heat and so on.
一种材料与另一种材料的区别在于他们的物理性能：颜色、密度和比热等等。
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