1 . The earliest seismograph was invented by a Chinese named Zhangheng in the Han dynasty.

中国汉代的张衡最早发明地震仪。

来自辞典例句

2 . Today, quartz crystal clocks are generally used on the seismograph stations.

目前, 地震台站一般采用石英晶体钟.

来自辞典例句

3 . These things entail that the seismograph becomes rather bully.

这使得地震仪体积笨重.

来自辞典例句

4 . A seismometer is a seismograph whose physical constants are so well known.

地震计是一种地震仪器,其物理常数是已知的.

来自辞典例句

5 . Any earthquake at any distance from a calibrated seismograph is nowadays assingned 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.

来自辞典例句