The experiment results show that the method can improve the average gradient and preserve spectrum index commendably.

实验表明算法有效提高了图像的清晰度和保持了光谱特性。

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After reaching a turbulent state, the system continues its evolution which exhibits that the energy spectrum index is not a constant instead of a wide range of changes in time.

模拟中，系统逐渐达到湍流状态，随着系统的不断演化我们发现如下事实：能谱指数随时间并不是不变的，而是在较宽的范围内变动；

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Detection of tumor blood flow within the spectrum, recorded peak systolic velocity (PSV) and resistance index (RI).

检测肿瘤内部的血流频谱，记录收缩期峰值流速(PSV)和阻力指数(RI)。

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On the other side of the spectrum, the lowest ranking, or saddest country on the Prosperity Index, is the Central African Republic.

FORBES: The Happiest (And Saddest) Countries In The World

Other than parking cash for a few years in short-term bond index funds to beat money markets, lazier investors might do better with actively managed broad-spectrum bond funds.

FORBES: Magazine Article