conquer 发表于 2025-3-25 03:47:09
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Andrew M. Luks MD,Robb W. Glenny MD,H. Thomas Robertson MDt with different atoms, such as in a Doppler-broadened gaseous medium. While these can also be thought of as optical instabilities, we prefer to refer to them in the traditional way simply as multimode operation. In particular, this kind of operation can produce a periodic train of short pulses.BURSA 发表于 2025-3-25 13:14:59
assical description of light and a quantum mechanical description of matter is called the . approximation. This approximation is not always justified (Chaps. 13–19), but there are remarkably few cases in quantum optics where we need to quantize the field.顶点 发表于 2025-3-25 19:21:09
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test in pulmonary medicine and cardiology. Capable of providing significantly more information about an individual’s exercise capacity than standard exercise treadmill or 6-minute walk tests, the test is used for a variety of purposes including evaluating patients with unexplained exercise limitati挑剔小责 发表于 2025-3-26 15:25:58
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