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1.The shade density of the forest is high, which makes it difficult for sunlight to penetrate.
森林的遮光密度很高，这使得阳光难以穿透。
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2. The measurement of shade density is crucial for predicting the amount of light that will reach the ground.
测量遮光密度对于预测到达地面的光量至关重要。
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3. In designing a building, it's important to consider the shade density to ensure proper lighting and ventilation.
在设计建筑物时，考虑遮光密度以确保适当的照明和通风是很重要的。