Fatal road accidents have decreased in frequency over recent years.
近年来致命交通事故发生率已经下降。
Seizures can also vary in frequency, from less than one per year to several per day.
癫痫发作的频率也可存在差异，从每年发作少于一次，到每天发作几次不等。
The birds were quiet, too, the drops increasing in frequency, so it must be raining above.
鸟儿也安静下来了。滴水逐渐变得频繁起来，所以森林上空一定在下雨。
For every increase of exposure, we saw an increase in frequency and severity of the symptoms.
她在接受媒体采访时表示，“我们发现，随着接触的增加，这些症状的发病率和严重程度也在增加。”
Business activities and economic exchanges and cooperation in this country are gaining in frequency.
商务活动和经济交流以及合作变得非常频繁。
Light waves differ in frequency just as sound waves do.
同声波一样，光波也有不同的频率。
Full spectrum analysis is emphasized in frequency domain analysis.
在频域方面，重点介绍了全谱分析方法。
So, the filters in frequency domain have attracted more and more attention.
因此，在频率域滤波的方法越来越引起关注。
The buffeting of Bridges can be analyzed in frequency domain and in time domain.
桥梁的抖振分析，有频域和时域两大类方法。
The method of counting for circular ring objects in frequency domain is proposed.
研究了用频域法实现圆环形目标物计数的方法。
The measurement of ultrahigh frequency is one of the difficulties in frequency measurement.
特高频率的测量是频率测量中的难点之一。
These reactions tend to decrease in frequency after being bitten by mosquitoes over many years.
被蚊子叮咬多年以后，这些反应发生的频率呈下降趋势。
This is a typical effect seen in frequency response functions measured using random excitation.
这是利用随机激励进行测量的频响函数中可以看到的典型影响。
Regenerative dividers play an important role in frequency synthesizer with its low phase noise.
再生分频器以其优越的相位噪声性能，在频率合成中有着重要作用。
A fast algorithm for calculating local statistics in frequency domain is presented in this paper.
本文提出了一种新的在频域中计算局部统计量的快速算法。
Basically, this is a region in frequency where it takes very little force to cause large response.
大致说来，在频域内有一个区域，在这个区域内用很小的力可以引起很大的响应。
Causes of stillbirths as determined by hospital assessment and verbal autopsy were compared in frequency.
由医院评估确定的死胎原因和通过死因推断确定的死胎原因做了频率比较。
Vienna, VA: is there any way to really tell if large quakes are increasing in frequency on a historic basis?
维也纳镇，弗吉尼亚州(Vienna VA)：能否从历史的角度说明地震频率是否增加了？
As demonstrations increased in frequency and maturity, ASDI continued to be satisfied with the work we were doing.
当演示的频率和成熟度增加时，ASDI对我们所做的工作继续保持满意。
This article analyses the applications and procedures in frequency transformation of multiplier from principle.
该文从原理上分析了相乘器在频率变换中的应用及过程。
Filter is used to process signal in frequency domain and able to improve the performance of AMB control system.
滤波器用于对信号进行频域上的变换处理，可用于改善磁力轴承控制系统性能。
The spectrum analyzer is a very important instrument in measuring and analyzing the signals in frequency domain.
频谱分析仪是对频域信号进行测量和分析的一种重要的测量仪器。
Similar flights began running five years ago during limited holiday periods, and have increased in frequency since.
类似航班从5年前便开始在特定假日时段运行，此后还增加了班次。
Q.I had a blood test for food allergens, cut them out, and my migraines were greatly diminished in frequency and intensity.
我做过食物过敏原的血液测试。 避免食用这些导致过敏的食物，我偏头痛发生的频率和强度大大的减轻了。
This setting can be set to a value between 1 and 1000 which will result in a 0.1 percent to 100 percent reduction in frequency.
这个设置可以设置为1到1000之间的值，这会使频率下降百分之0.1到百分之百。
We cannot attribute all extremes of weather to climate change but we are already recording an increase in frequency and intensity.
我们不能把所有的极端天气都归咎于气候变化，但是，我们已经记录到其发生频率和强度在增加。
All of this seismic activity has left some wondering if earthquakes are increasing in frequency, or if it just seems like they are.
这一切地震活动让我们不禁要问，地震的频率在增加吗，还是只是看起来是这样而已。
This paper presents a self-adaptive vowel-frame detection algorithm based on energy distribution analysis in frequency domain.
本文提出了一种基于频域能量分布分析的自适应元音帧提取算法。
A highly stabilized laser produces very fine teeth, enabling highly precise measurements of specific frequencies or changes in frequency.
高稳定的激光可以产生极细的齿，这样可以非常精确的测量特定的频率或频率变化。
A highly stabilized laser produces very fine teeth, enabling highly precise measurements of specific frequencies or changes in frequency.
高稳定的激光可以产生极细的齿，这样可以非常精确的测量特定的频率或频率变化。
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