There is an automatic mechanism for shifting the recording pen to keep it from going off scale.
有一个自动装置来移动记录笔，使其不致出格。
A strong earthquake near the instrument will usually displace the reading off scale or may even damage the instrument.
如果在这类仪器的附近发生一次强烈的地震，一般就会使记录出格，甚至可能损坏仪器。
The technician said, "We've had some hydraulic 'ducers go off-scale low."
这个技术员说，“我们有几个液压传感器显示数值低的离谱。”
The technician said, "We've had some hydraulic 'ducers go off-scale low."
这个技术员说，“我们有几个液压传感器显示数值低的离谱。”
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