The results indicate that the relationship between stress ratio and strain incremental ratio in these materials is still a linear relation on the extended moblized plane.

结果表明，在扩展强度发挥面上，这几种材料的应力比与应变增量比之间仍具有线性关系。

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Abstract: Green building materials tend to cause certain incremental cost, which affects its application in energy-saving construction market.

摘要：绿色建筑材料往往会产生一定的增量成本，影响其在节能建筑市场的应用。

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They are raising prices aggressively, way above their own incremental costs of labor and materials.

FORBES: Black Gold Vs.Yellow Gold