甚至有一种用来协助电子仪器进行测试的特殊的电子笔。
There is even a special electric pencil used for tests checked by electronic machines.
电子仪器作为实现电子测量的基本工具，其前端模拟输入通道性能的好坏直接决定了测量的范围及精度。
Electron apparatus is the basic tool which is used to implement electron measurement. And the range and precision are determined by performance of electron apparatus's front analog input circuit.
电子工程师坚信不能被量化的东西是不存在的，但我们这些迷信的吉他手却祈求能有所不同，毕竟一种观点是我们听听出来不能被电子仪器测量的东西。
An electrical engineer will insist that if it can't be measured, it doesn't exist. But we superstitious guitarists beg to differ. We hear things that can't be detected with a mere digital multimeter.
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