为了最大程度的安全，在被测电路加有电源时，请勿接触产品、测试电缆或其它任何仪器。
For maximum safety, do not touch the product, test cables, or any other instruments while power is applied to the circuit under test.
仪器、开关卡、电缆和夹具中均可存在漏泄通路。
Such leakage paths may be present in the test instrument, switching cards, cables, and fixtures.
这些仪器通常使用同轴电缆或三同轴电缆。
These instruments generally use either coaxial or triaxial cables.
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