标准化频率 normalized frequency
约化频率 reduced frequency
设置分支变化频率 Fork Variation
转化频率 transformation frequency
文化频道 Culture Channel
归一化频率 normalized frequency ; normalized frenquece
极化频率效应 polarization frequency effect
时间量化频率调制 time quantized frequency modulation
氯化频哪氰醇 Pinacyanol Chloride ; Pinacyanol
氧化频哪酮 pinacolone oxime ; Pinacolin Oxime
随着人口的老龄化，美国民众的养老金计划进展迟缓甚至频临破产。
America's public pension scheme is shuffling towards insolvency as the population ages.
它不仅可以获得较好的时频分辨率，而且可以参数化描述任何类型的数据。
It can get not only high time-frequency resolution, but also parametric description of all kinds of data structures.
由于特殊的地理位置和多样化的地形地貌，云南是中国地质灾害最为频发的地区之一。
Yunnan province, because of its special geological position and diversified landforms, is one of the most geologic hazard-prone regions in China.
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