地动仪的英文：
Chang's seismograph

change a bed;change the baby.
换床单；给婴儿换尿布

We propose 'a change [making a change / to make a change / that a change should be made].
我们建议应做一点改变。

The change of quantity can causes the change of quality.
量变可以引发质变。

Changing the rate of cylinder rotation changes the speed selected.
改变圆筒旋转速率就改变被筛选的速率。

Inflammatory changes appear secondary to biochemical changes
炎症变化似乎是继发于生物化学的变化。

These things entail that the seismograph becomes rather bully
这使得地震仪体积笨重。

A seismograph is an instrument which gives a continuous record of the motion of the ground
地震仪是提供地面运动的连续记录。

Any earthquake at any distance from a calibrated seismograph is nowadays assigned a magnitude.
现在对于距一标定过的地震仪任何距离处的任何一个地震，都可用一个震级确定之。

The reluctance seismogroph implies a variation of the principle of the moving-coil seismograph.
磁阻地震仪改变了动圈地震仪的工作原理。