slide coil

A Helmholtz coil is installed on the base sliding block through the coil fixed plate and can slide freely on the base guide rail.

亥姆霍兹线圈通过线圈固定板安装在底座滑块上，可以自由的在底座导轨上滑动。

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The serpent, twisting his scaly body in a huge coil, raised his head so as to overtop the tallest trees. At such contacts the scale can slide up the asperity, so that the retched mechanism is not operative.

那头蛇盘起长满鳞片的身躯，把头举过了最高的树。在这种接触中，鳞片能滑过对方的粗糙表面，所以棘轮机理不起作用。

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Continue to slide the detector coil until it is beneath another antinode ( at approximately one-fourth the distance between bridges). Watch the amplitude of voltage on the Scope display.

继续移动探测线圈使其位于另一波腹下（约为两桥臂间距的四分之一），观察示波器上电压振幅的变化。

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