二端元件的一般形式如图1所示。 它是用长方形符号及以A、B为端点的两端理想导电引线来表示的。

A two-terminal element in general form is shown in Figure 1, with a single device represented by the rectangular symbol and two perfectly conducting leads ending at connecting points A and B.

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所述供料器元件(10)在使用中可压缩，由此减小了所述第一端(16)与所述第二端(18)之间的距离。

The feeder element (10) is compressible in use whereby to reduce the distance between said first and second ends (16, 18).

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所述供料器元件(10)在使用中可压缩，由此减小了所述第一端(16)与所述第二端(18)之间的距离。

The feeder element (10) is compressible in use whereby to reduce the distance between said first and second ends (16, 18).

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