Trimmer capacitors (trimmers) are miniature variable capacitors.
微调电容器（机）的小型可变电容器。
Many variable capacitors have very short spindles which are not suitable for the standard knobs used for variable resistors and rotary switches.
许多可变电容有很短的纱锭有不适合标准的旋钮用于可变电阻和旋转开关。
Variable capacitors are not normally used in timing circuits because their capacitance is too small to be practical and the range of values available is very limited.
可变电容器通常不用于定时电路，因为它们的容量太小，实际和价值观念的范围提供非常有限。
To lower the operation frequency I use fixed capacitors in parallel with the variable capacitor.
为了降低操作频率，我用固定电容器，可变电容器并联。
To lower the operation frequency I use fixed capacitors in parallel with the variable capacitor.
为了降低操作频率，我用固定电容器，可变电容器并联。
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