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直线传播
rectilinear propagation
- 光是直线传播的，它来自 9500万英里远的太阳。
Light travels in straight lines. It comes from the sun 45, 000, 000 miles away. - 对于一般材料，光总是沿着直线传播的，但是如果是超常介质材料，科学家们就能够开采出宝贵的附加灵活性来制造不可探测的盲点。
With conventional materials, light typically travels along a straight line, but with metamaterials, scientists can exploit a wealth of additional flexibility to create undetectable blind spots. - 从波动理论出发，证明极限情况下光的衍射结果就是光的直线传播。
Conclusion that result of diffraction of light is rectilinear propagation in limited condition is demonstrated from wave theory.
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