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- A vibration period tends to decrease or remain constant as energy is lost, as is the case for a pendulum. 在损失能量时，振动周期倾向于减小或保持不变，如同单摆那样。
- The theoretical analysis of the method for calculating the vibration period of the column with one hoop was carried out in this article. 本文从理论上到工程应用上,对带有一个塔箍的等壁厚塔器自振周期的计算方法进行了探讨,可供工程技术人员参考。
- The analytical results show that: the vibration period of the truss is short, and the stiffness is between the equivalent frame and shear wall structure stiffness. 分析结果表明，该结构体系的振动周期较小，结构整体刚度较大，介于相同条件的框架和剪力墙之间。
- A new kind of physics experimental instrument of forced vibration and resonance is introduced, conducting research of the relationship between vibration period and to arms of prong. 摘要介绍了新型音叉受迫振动与共振实验仪。通过音叉双臂与振动周期关系的研究，可以深入理解振动式液体密度传感器的原理及其应用。
- In the case of invariable of outrigger belt and changing the vertical positional arrangement, the effect on structural inner force, natural vibration period and sidesway were discussed. 分析固定加强层水平伸臂的位置不变，改变环带的竖向位置，研究环带的竖向位置对高层框筒结构力学性能的影响。
- By analysed on vibration theory we knew that the load js a static load in mechanics of materials, when the loaded time is 6-8 times as much than the natural vibration period of the unit of structure. 通过振动理论的分析得知;材料力学中静载荷的定量标准是:当加载时间为构件系统的固有振动周期的8倍以上时;这种载荷即可认为是静载荷.
- The vibration period increases with the increase of liquid density in the vibration tube.Wellsite calibration , emperatureand pressure correction must be made while the sensor is used in the borehole. 这种机电一体化的流体密度传感器在井下应用时必须进行井场刻度以及温度和压力的校正。
- Discussion on vibration period of inertial balance 惯性秤振动周期的讨论
- Natural vibration period of bridge 桥梁自振周期
- That period was a bright page in the history of Chinese literature. 那个时期是中国文学史上光辉的一页。
- Let us hope that the period of this injustice will be over soon. 让我们希望这个不公正的时期很快结束吧。
- Childhood is a period of rapid growth. 幼年是生长迅速的时期。
- He consulted the chronicles of the period. 他参考了这一时期的编年史。
- Research of vibration period for overweighted compound pendulum 加配重复摆振动周期的实验研究
- It makes melt,plasticating,injection and holding pressure corse go on in the state of vibrating periodically. 分析了此种振动装置在注射阶段脉动螺杆的动态响应以及振幅和频率的特性。
- Approaches to Computing Natural Vibration Period of Tall Building 高层建筑结构自振周期的计算方法探讨
- He had to decide within a given period. 他得在一定时间内作出决定。
- She has a detailed knowledge of this period. 她对这段时期的情况了解地相当详细。
- In that period auto sales hit a14-year low. 这时期汽车销售量达到14年来最低水平。
- In this period, unemployment reaches record levels. 这段时间的失业人数又达到了创纪录水平。
