Vortex-induced vibration is limited amplitude response, but it occurs at low wind speed with relative large amplitude, which will affect the strength and fatigue resistance of the structure.
尽管涡振是一种限幅振动，但由于其发生风速较低，振幅相对较大，会影响结构的强度和疲劳，因此大跨度拱桥的涡振响应研究具有重要的意义。
Through analysis of the influencing factors of the environment, 9 main indices have been established in this paper, such as temperature, wind speed and relative humidity.
通过对影响室内环境的各种因素分析，确立了以温度、风速、 相对湿度等9项主要环境参数指标的评价体系。
Evaporation from Erhai Lake decreases with the increase of total cloud cover and relative humidity, and it increases with the increase of mean wind speed and sunshine duration.
洱海水面蒸发随着总云量和相对湿度的增加而减小，随着平均风速和日照时数的增大而增大。
In the present study, the effects of bacteria kinds, wind speed, relative humidity, drying time and temperature on flavor and free amino acid content of dry duck were investigated by orthogonal tests.
采用正交试验探讨了微生物菌种、风速、相对湿度、风干时间、温度对风鸭风味及游离氨基酸产生的影响。
The vortex shedding vibration will take place at the relative low wind speed because of arches blunt section.
并且，钝体截面的主拱在低风速下容易产生涡激振动。
Over the urban areas, both wind speed and relative humidity show decreasing trend which is closely related to the urbanization, especially to the changes of the surface types.
城区的风速和湿度都呈减小的趋势，这与城市化的加剧，尤其是下垫面的变化有密切的关系。
Over the urban areas, both wind speed and relative humidity show decreasing trend which is closely related to the urbanization, especially to the changes of the surface types.
城区的风速和湿度都呈减小的趋势，这与城市化的加剧，尤其是下垫面的变化有密切的关系。
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