复数： seismographs

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These things entail that the seismograph becomes rather bully .

这使得地震仪体积笨重。

People will use " ha long frog opera " to describe the " seismograph " in appearance .

人们就用“哈蟆戏龙”来形容“地动仪”的外貌。

Made of bronze , the seismograph had eight dragon figures facing eight directions .

青铜制成，地震仪有八条龙面朝八方。

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。

Something very strange hit almost every seismograph in the us at the same time !

很奇怪的东西在同一时间袭击美国几乎每一个地震仪!