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1. The shape of the surface is crucial for determining the interfacial angle between the liquid and solid.
表面的形状对于确定液体和固体之间的接触角至关重要。
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2. The researcher measured the interfacial angles between different materials to understand their compatibility.
研究者测量了不同材料之间的接触角，以了解它们的相容性。
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3. The angle at which light strikes the surface determines the intensity of the reflected light, which in turn affects theinterfacial angle between the light source and the object being illuminated.
光线与表面的接触角度决定了反射光的强度，而这种强度又影响了光源与被照明物体之间的接触角度。