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周期演变
相关语句
  periodic evolving
     Optical Technique Principles of the Multiplier Periodic Evolving Pictures on Plane of Photosensitive Materials
     感光平面上倍周期演变图象的光学技术原理
短句来源
  “周期演变”译为未确定词的双语例句
     after 1830,the solar activity changes to 80-100a quasi-century long oscillation,and the adjusting action to the precipitation is becoming weaker and weaker;
     1830年以后,太阳活动的周期演变为80~100年的更长周期,因这一阶段可能受到由于人类活动加强而致的温室气体浓度升高等因素的干扰,太阳活动与降水之间的关系明显减弱;
短句来源
     Studies on the Expansion-Contraction Law and Turning Points of Power Demand Cycle in China
     中国电力需求周期演变规律及转折点研究
短句来源
     Explanation to the Discipline of Pro.Xia Guicheng’s Yinyang Taiji and Eight Diagrams Figure and Menstrual Cycle Evolution
     夏桂成教授阴阳太极八卦图与月经周期演变规律诠释
短句来源
     It could be deduced that the fluctuations of agromete-orological thermal factors influence the periodic fluctuations of the meteo rological components related to crop yield and hence result in periodic variations of crop yield.
     通过与农业气象热量因子以及粮食产量增减产年历史演变的周期波动的比较,似可初步推理为,热量因子的周期波动影响了气象产量的周期波动,从而导致作物产量的周期演变。 这一初步推理为我国粮食产量的气象预测预报的基础研究和实践应用提供了参考依据。
短句来源
     To show anew the evolutional process of photosensitive materials, and bring the time process into the sphere of optical information processings,according to some experiment results,this paper sets forth the principles of non-linear oscillatory signals,and puts forward the optical information processing principles about the multiplier-periodic evolutional pictures on phodetotected planes.
     为了在感光材料上重视、显现和预示事物的演变过程,从而将时间过程引入光学信息处理领域。 本文根据有关实验结果,提出关于非线性振荡信号的原理,进而提出关于平面上倍周期演变图象的光学信息处理原理。
短句来源
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  相似匹配句对
     A BRIEF DISCUSSION OF CYCLE
     周期浅析
短句来源
     the investment cycle;
     投资周期;
短句来源
     Studies on the Expansion-Contraction Law and Turning Points of Power Demand Cycle in China
     中国电力需求周期演变规律及转折点研究
短句来源
     PERIOD-DOUBLING BIFURCATIONS OF THE ATMOSPHERIC CIRCULATION AND APERIODIC VARIATIONS OF THE FLOW PATTERNS
     大尺度大气运动的倍周期分叉和流型的非周期演变
短句来源
     The Evolution of Luxun's Image
     鲁迅形象的演变
短句来源
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The acoustic impedance of the ear is a function of frequency. With the change of test frequency, tympanograms taken from normal human ears show characteristic variations both in shape and in magnitude. The low-frequency (220-500Hz) tympanograms possess essentially a pinnacle shape, with the peak of maximum compliance pointing to the direction of decreased impedance. For test frequencies in the range of 1000-1300 Hz tympanogram become inverted (V-shaped), and, in opposite to that for the low frequency ones, the...

The acoustic impedance of the ear is a function of frequency. With the change of test frequency, tympanograms taken from normal human ears show characteristic variations both in shape and in magnitude. The low-frequency (220-500Hz) tympanograms possess essentially a pinnacle shape, with the peak of maximum compliance pointing to the direction of decreased impedance. For test frequencies in the range of 1000-1300 Hz tympanogram become inverted (V-shaped), and, in opposite to that for the low frequency ones, the peak of maximum compliance represents at the same time the maximum impedance. Transitional forms are found for test frequencies of 630 and 800 Hz and are characterized by the frequent appearance of double peaks. When test frequency increases from 1300 to 2000 Hz tympanogram, after passing the similar transitional forms, changes back to its pinnacle shape again, thus completing a cycle of evolution. The magnitude of the tympanogram, which represents the range of dynamic compliance shift of the middle ear during tympanometry, decreases systematically as the test frequency increases.

在人正常耳描记了不同频率的鼓膜声顺图并进行了比较。220—500赫的低频声顺图为“人”字形,其声顺最大的峰指向声阻抗小的一方。1000—1300赫的声顺图则为倒“人”字形,其声顺最大的峰指向声阻抗大的一方。2000赫的声顺图又倒转回低频时的形状,完成一个周期的演变。630、800及1400、1600赫的声顺图则为一些过渡型,有时出现双峰。鼓膜声顺的动态范围随频率的增加而变小。声顺图形状的变异及有关的一些问题,文中用声阻抗与声顺的非单调性关系进行了解释。

In this paper the midium and short periodic fluctuations of meteorological components related to crop yield in China are discussed by means of spectrum analysis,periodogram and variance analysis. It is shown that the spectral distributions in different parts of the country are basically similar and particularly occur in a period of about 4-6 years and even twice of the period. It could be deduced that the fluctuations of agromete-orological thermal factors influence the periodic fluctuations of the meteo rological...

In this paper the midium and short periodic fluctuations of meteorological components related to crop yield in China are discussed by means of spectrum analysis,periodogram and variance analysis. It is shown that the spectral distributions in different parts of the country are basically similar and particularly occur in a period of about 4-6 years and even twice of the period. It could be deduced that the fluctuations of agromete-orological thermal factors influence the periodic fluctuations of the meteo rological components related to crop yield and hence result in periodic variations of crop yield.

本文应用功率谱、周期图和方差分析等方法探讨了全国及部分代表省(区)粮食单产中气象分量的中短周期波动。发现各地气象分量的谱分布基本相似,普遍存在4—6年及其倍数的周期波动。同时,各地表现又略有不同,由南往北周期逐渐变长。通过与农业气象热量因子以及粮食产量增减产年历史演变的周期波动的比较,似可初步推理为,热量因子的周期波动影响了气象产量的周期波动,从而导致作物产量的周期演变。这一初步推理为我国粮食产量的气象预测预报的基础研究和实践应用提供了参考依据。

To show anew the evolutional process of photosensitive materials, and bring the time process into the sphere of optical information processings,according to some experiment results,this paper sets forth the principles of non-linear oscillatory signals,and puts forward the optical information processing principles about the multiplier-periodic evolutional pictures on phodetotected planes.

为了在感光材料上重视、显现和预示事物的演变过程,从而将时间过程引入光学信息处理领域。本文根据有关实验结果,提出关于非线性振荡信号的原理,进而提出关于平面上倍周期演变图象的光学信息处理原理。这项新技术原理将会拓展光通信领域。

 
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