... 累积频率;cumulative relation frequency 频率响应;幅频响应;频响;frequency response 频率分布图;frequency profile ...
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lexical frequency profile 词汇频率概貌 ; 词频概貌
time frequency profile 时频剖面图
time-frequency profile 时频剖面图
frequency profile modeling 频域仿形
time-frequency profile plot 时频剖面图
low spatial frequency profile 低空间频率曲线
An mathematical expression of buoyancy frequency profile in some shallow waters is presented.
给出了一些海区实测浮力频率剖面的数学模型。
The results showed that: (1) for Hair forms and Nasal profile, the frequency of the dominant gene was lower than that of theirs recessive gene, but the opposite was true for Nostril forms.
结果显示：(1)发型和鼻梁侧面观的显性基因频率均明显低于隐性基因频率，而鼻孔形状则相反。
First, the basic expression of high-resolution one dimensional range profile of the stepped frequency (SF) is deduced to explain the high resolution of the wideband signals.
首先，给出了宽带雷达信号具有高分辨能力的直观解释，推导了频率步进雷达合成高分辨一维距离像的通用数学表达式。
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