... master form 靠模，仿形模 master frequency 主振频率 master frequency meter 总频率计，积量频率计 ...
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...夯； 振动效应； 主振频率； 最小二乘法 [gap=736]Keywords: dynamic compaction; vibration effect; main vibration frequency; least-square method ...
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... 节点（节线）node, node line 主振频率principal vibration frequency 附振频率additional vibration frequency ...
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...3.5 节点（节线）（node, node line） 3.6 主振频率、附振频率（principal and additional vibration frequency） 在激振装置的频率范围内，引起构件谐振响应的频率中，频率低、位移幅大的频率称为主频率f1，其余则为附频率fx。符号为f1、f2…
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主振频率、附振频率 principal and additional vibration frequency
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并针对该频率区与曳引机主机额定转速———主振频率接近的特点，提出了防止电梯发生系统共振的措施。
This frequency range is proximate to main vibration frequency of the traction machine at rated speed, and, according to this, measures against elevator resonance are proposed.
协作体系的动力特性主要包括体系的自振频率和主振型，它是协作体系结构动力分析的基础和前提。
Dynamic characteristics of collaborated system mainly include natural vibration frequency and principal mode, which is the base and precondition of dynamic analysis for collaborated system.
前轮摆振是指汽车在平坦的路面上直线行驶时，转向轮以一定的幅度和频率绕主销持续振动的现象。
Front wheel shimmy is the phenomenon that steering wheels vibrate around king-pin axis with a certain amplitude and frequency when the vehicle travels in a straight road.
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