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- The pendulum clock was invented in 1657. 钟摆是1657年发明的。
- torsional pendulum clock 扭摆钟
- His work in this direction was motivated by his interest in light and in the design of pendulum clock. 他对光线研究和钟摆设计的兴趣推动了他在这方面的工作。
- The activation energy of high purity aluminum in 99.999%(w) Al is studied systematically by using a low frequency inverted torsion pendulum. 用倒摆内耗仪对纯度为99.999%25高纯铝试样竹节峰的激活能进行了系统的研究。
- Calculation shows that this method can not only suppress the disturbance of the white noise, but also be insensitive to the drift and the damping of the torsion pendulum. 该方法算法简单,计算效率高,能有效地抑制白噪声、高次谐波、线性漂和阻尼的影响。
- According to the measure of trilinear torsion pendulum and mechanical vibration theory, the power assembly's parameters of NJ1063 and NJ1038 are acquired accurately. 根据三线摆法和振动法的测量原理,准确的获得了NJ1063与NJ1038轻型载货车动力总成的相关参数,建立了动力总成悬置系统的运动仿真模型。
- Subsequently, mathematicians proved the point in theory and the physicist Huygens invented the pendulum clock on the basis of this theory. 后来的数学家从理论上证明了这一点,物理学家惠更斯根据这一原理研制了摆钟。
- According to the measure of trilinear torsion pendulum and mechanical vibration theory, this paper presents the measure of compound trilinear torsion pendulum. 本文在总结国内外大量文献的基础上,对PALIO轿车动力总成悬置系统隔振问题进行了深入地技术研究。
- At present , The JiaWei designs and produces all kinds of cassette mechanism of quartz clock,including cassette mechanism of alarm clock,stopwatch and pendulum clock. 当前,加威所设计生产的石英钟机芯种类齐全,有闹钟机芯、扫秒机芯和摆钟机芯,以优良的品质,赢得了国内外市场的广泛认可。
- The instrument consists of a base platform, movable fixture, a movable precise location mechanism along missile's longitudinal axis, three force transducers and one inverted torsion pendulum. 该装置主要由测试平台、活动支架、沿导弹纵轴滑动的精确定位机构、三个测力传感器和一个倒扭摆机构组成。
- This article simplely introduced torsion pendulum's parameters, and practial tested torsional rigidity of slivers. 本文简单介绍了测量条子抗扭刚度的扭摆仪及其特点,并实际测量了几种常见条子的抗扭刚度。
- Pendulum clocks showed the hours more exactly than earlier clocks, since the weight on the pendulum could be moved up or down to make the clock to go faster or slower. 摆钟比早期的钟记时准,因为摆上的重锤可以上下移动调整钟的快慢。
- The pendulum of the clock in my room is a bear. 我房间的钟摆是小熊形状的。
- forced vibration torsion pendulum 强制振动扭摆
- a pendulum clock enclosed in a tall narrow case 封闭在窄的高的盒子里的摆钟
- Some old pendulum clocks are very beautiful. They were made carefully and they still work well. 有些古老的摆钟很美观,制作精巧,至今仍走得很好。
- It was discovered that pendulum clocks recorded time differently depending on their location. 人们发现摆钟在不同的地点所记录的时间不同。
- mechanical pendulum clock movement 机械摆钟机芯
- Mechanical pendulum clock movement UFs 机械摆钟机芯
- a pendulum clock enclosed in a tall narrow case. 封闭在窄的高的盒子里的摆钟。