皮安表是安培表的一个门类，其实质上是静电计中安培表功能的延续。
A picoammeter is an ammeter built along the lines of the ammeter function of an electrometer.
实现高速测量的基本方法是，仔细地进行皮安表的机械设计以尽量减少寄生并联电容。
A basic approach to high speed measurements is to minimize stray shunting capacitance through careful mechanical design of the picoammeter.
第一章和第二章已经分别对静电计和皮安表以及弱电流测量的方法等问题进行了介绍。
Electrometer ammeters and picoammeters and methods of making low current measurements were described in Sections 1 and 2 respectively.
和电压表电路一样，可以使用如图1 - 11所示的组合电路来改变皮安表放大器的增益。
Picoammeter amplifier gain can be changed as in the voltmeter circuit by using the combination shown in Figure 1-11.
与静电计相比，皮安表具有类似的低输入端压降，相同或稍快的测量速率，较低的电流灵敏度和低廉的价格。
When compared with an electrometer, a picoammeter has a similar low voltage burden, similar or faster speed, less sensitivity, and a lower price.
与静电计相比，皮安表具有类似的低输入端压降，相同或稍快的测量速率，较低的电流灵敏度和低廉的价格。
When compared with an electrometer, a picoammeter has a similar low voltage burden, similar or faster speed, less sensitivity, and a lower price.
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