以下为句子列表：
英文: A sine wave has the same amplitude (distance from centerline to the top of a peak) and wavelength (distance from peak to peak) over time.
中文: 一个正弦波有固定的振幅（波峰顶部的高度）和波长（波峰的间距）。
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英文: Each of these pieces is a sine wave with a different frequency.
中文: 每个小部分是有着不同频率的正弦波。
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英文: Even if you start with something (like a bump on a rotating neutron star) that gives off a perfect sine wave signal, it won't stay that way by the time it gets into the data stream.
中文: 即使你开始时探测到一个完美的正弦波信号，等到记录它的时候可就是另外一个样子了。
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英文: In this paper, a simple and practical circuit for laser diode modulation is presented, the principle circuit and the principle of choosing component are given, at last, application in sine wave modulation in non-cooperative target phase shift Laser rangef
中文: 本文介绍了一种简单有效的半导体激光器调制电路，给出了电路原理图，元件的选择原则，最后介绍了在非合作目标相位式激光测距系统中实现正弦调制的应用。
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英文: Based on the sine wave theory and Morison method,the character of horizon tal waving -force on a square net -cage was analyzed,the ca lculation method of plane was presen ted.
中文: 依据正弦波理论和莫里森(Morison)方法,对方形网箱受到的水平波浪力进行了分析,给出了迭加计算方法。
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