The decomposition rates (weight loss rates ) of different organic materials vary within a year.

不同有机物料在一年内其分解速率（失重率）变化动态不同。

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In fact levels are known to vary widely within even small areas, depending on weather patterns and building materials.

事实上，即使在很小的区域内，辐射水平也会随着天气状况和建筑材料等因素千差万别。

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The materials and form of the houses vary with each location.

房子的材料和形状在每个位置都各不相同。

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Materials vary according to each design, but must be durable, lightweight, and water resistant.

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Those materials vary, and may utilize sand, nitrogen, carbon dioxide, air and other substances.

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This is a daunting task when many products require the same components and materials, yet vary greatly in profitability.

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