Optics majors study the science of light. Topics of study include wave theory and mechanics, the quantum theory of light, and engineering problems.

光学专业是研究光的科学。课程包括波理论和力学，光的量子理论和工程问题等。

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In engineering application area, especially in nonlinear signal processing such as pattern recognition, quantum physics and communication it has a lot of novel applications.

在工程应用领域，特别是模式识别、量子物理，通信领域等众多非线性信号处理方面得到了最为广泛的应用。

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Quantum dots, as its excellent fluorescent properties, has been widely used in biological engineering.

量子点由于其优良的荧光性能，目前已广泛应用于生物工程领域。

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Pacing around a room, they will talk for hours about future technologies such as voice recognition (they call their team working on it the "wreck a nice beach" group, because that's what invariably appears on the screen when someone speaks the phrase "recognize speech" into the system), then wander onto topics ranging from quantum physics to genetic engineering.

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For one thing, in much of modern engineering whether designing semiconductor circuits, computers or jumbo jets there are no great quantum leaps in performance waiting to be discovered.

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