1.
The wing was sinusoidally pitched at reduced frequencies of 0.03and 0.06,for angle of attack of α=0 to 60 deg.
俯仰振荡运动的攻角范围为0°～60°，折合频率为0．03和0．06。
2.
The vibration frequency is given by (4.25), except that m is replaced by the reduced mass.
振动频率在（4．25）中给出，只是m用折合质量代替。
3.
The lower the frequency is, the greater the refraction of a cave will be .
频率越低，波的折射率越强。
4.
mixer-filter frequency synthesizer
混频滤波式频率合成器
5.
income replacement ratio
收入折合养恤金比率
6.
composite depreciation rate of fixed assets
固定资产综合折旧率
7.
A High Resolution Sigma-Delta Fractional-N Frequency Synthesizer
一种高分辨率∑△小数分频频率合成器
8.
Design of L-band Frequency Agility Broadband Frequency Synthesizer Design
L波段宽带频率捷变频率综合器设计
9.
drift cancelled frequency synthesizer
漂移抵消式频率合成器
10.
constant elastic alloy for frequency element
频率元件用恒弹性合金
11.
indirect digital frequency synthesizer
间接式数字频率合成器
12.
direct digital frequency synthesizer
直接式数字频率合成器
13.
Strong reflection occurs at a resonance frequency.
在共振频率处,连接部分发生较大的折射。
14.
An Investigation for the Effects of Reduced Frequency on Aerofoil Dynamic Lift Characteristics
折算频率对翼型动态升力特性影响的初步研究
15.
Tunable Negative Index Metamaterials Using Nematic Liquid Crystals
负折射超材料响应中心频率的液晶调控
16.
Refractive index measurement of bio-tissue based on Fourier domain optical coherence tomography
基于频域OCT的生物组织折射率测量研究
17.
Design and Analysis of Frequency Synthesizer for Multiband Radio;
多频段电台频率合成器的设计与分析
18.
Research and Design of Frequency Hopping Synthesizer Based on DDS;
基于DDS的跳频频率合成器研究与实现