horizontal pendulum

基本解释

When the pivot of the pendulum starts moving along a horizontal circumference, the bob starts tracing a circle which can have a smaller radius, under certain conditions.
当摆的，悬挂点在水平面上作圆周运动的时候，在某些情况下重物也可开始做圆周运动，并且半径更小。
Since 1976, by using the non—damping horizontal pendulum tiltmeter at the range of 1.7"—5" period. we have recorded one wave anomaly signal before a series of strong earthquakes respectively.
六年来，我们用无阻尼水平摆地倾仪，在1.7秒—5秒的周期范围内，在一系列的强震发生前，分别记录到了一种明显的波动异常。
Tilt meter is one kind of basic instrument of earth tide and the earthquake research, which includes the horizontal pendulum tilt meter, the water tube tilt meter and the vertical pendulum tilt meter.
倾斜仪是一种研究固体潮和地震的基本仪器，主要有水平摆倾斜仪、水管倾斜仪、垂直摆倾斜仪。