帕里斯是特洛伊国王皮安姆的儿子。
帕里斯是特洛伊国王皮安姆的儿子。
带有电压源的皮安计也可以测量高阻。
Picoammeters with voltage sources can also measure high resistances.
大多数的皮安计都有最大的CS推荐值。
Most picoammeters will have a maximum recommended value for CS.
多数情况下，安培计或皮安计是用于测量电流的。
In most cases, an ammeter or picoammeter is used to measure current.
采用这种连接方法时，皮安计读出的电流为负值。
With this connection method, the picoammeter reads a negative current.
同时几个皮安的输入电流会产生很大的电压偏置误差。
Also, input currents are typically many picoamps, creating large voltage offsets.
坐在皮安姆国王旁边，她将希腊一方的首领告诉了国王。
Sitting by the side of King Priam, she told the chiefs of the Greek side to him.
皮安尼把一个大酒瓮的木塞子拨了出来，酒瓮外用柳条包好。
Piani was taking the wooden cork out of a big wicker-covered wine jug.
然而，有的静电计和皮安计内部装有电压源，能够直接测量电阻。
Some electrometers and picoammeters, however, have a built-in voltage source and are capable of measuring the resistance directly.
请注意，在电容器被切换至皮安计之前，它是被连接到电路lo的。
Note that before the capacitor is switched to the picoammeter, the capacitor is connected to circuit LO.
有些静电计和皮安计具有内置的电压源，能够自动地计算出未知电阻。
Some electrometers and picoammeters have voltage sources built into the instrument and automatically can calculate the unknown resistance.
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.
测得的电流通常非常小，因此往往需要使用皮安计或静电计进行测量。
The measured current is usually quite small, so a picoammeter or electrometer is often required to make the measurement.
这种情况下形成的电池能够在很长的时期内输出皮安或纳安级的电流。
A cell formed in this manner can source picoamps or nanoamps of current for long periods of time.
若要测量开关卡的偏移电流，请将卡的输出连接到一台皮安计或静电计。
To measure the offset of a switch card, connect the output of the card to a pico ammeter or electrometer.
通常，这种方法需要使用两台仪器：一台电压源和一台皮安计或静电计。
Usually, this method requires two instruments: a voltage source and a picoammeter or electrometer.
细胞膜离子单通道信号是皮安级的随机电流，膜片钳技术可以记录这些信号。
The signal of single ion channel is stochastic ionic currents on the order of 1pA, which can be recorded by means of patch clamp technique.
注意，顶部的电极接保护，所以只有流经绝缘体表面的电流才为皮安计所测量。
Note the top electrode is guarded, so that only current flowing across the insulator is measured by the picoammeter.
第二组开关(7158型)在经过合适的平稳时间后将每个电容器连接到皮安计。
A second set of switches (on the Model 7158) connects each capacitor to the pico ammeter after a suitable soak period.
在这种情况下，可以使用简单的真空同轴接头来进行从收集电极到皮安计的连接。
If this is the case, a simple coaxial vacuum feedthrough can be used to make connections from the collector to the picoammeter.
由于静电计、安培计或皮安计的输入端压降小于1mV，这两个二极管不会导通。
Since the voltage burden of the electrometer ammeter or picoammeter is less than 1mV, the diodes won't conduct.
由于要测量的电流非常弱，所以用光电倍增管测量光的应用工作通常需要使用皮安计。
Applications such as measuring light with a photomultiplier tube generally require the use of a picoammeter due to the low current levels involved.
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.
RL1上的电压为皮安计的输入端压降，通常小于1mV，所以产生的电流是相当小的。
The voltage across RL1 is the picoammeter voltage burden, normally less than one millivolt, so the resulting current will be quite small.
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.
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.
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