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1·It proposes using a noninverting amplifier consisting of a high accuracy and low drift integrated operational amplifier OP. 07 as a buffer amplifier in the circuit.

提出用高精度低漂移集成运算放大器OP-07组成同相放大器，作为监测电路的缓冲放大器；

2·An instrumentation amplifier offers precise gain without feedback resistors, and, at any value of gain, it provides high input impedances at its noninverting and inverting inputs.

没有反馈电阻的仪表放大器提供精确增益，无论增益多大，放大器的同向和反向输入端提供高输入阻抗。