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| 根據(jù)規(guī)程“輸入電流”這一檢定項(xiàng)中公式反推點(diǎn)擊變化量,即±0.169pH |
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這是舊版規(guī)程了,電計(jì)±0.169pH |
| 我認(rèn)為根據(jù)輸入電流公式計(jì)算變化量d=IR/k≈0.17或者0.2吧 |
| 053187878077可以咨詢他們 |
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