机身按钮包括一个快门键、一个8倍光学变焦滑钮和一个电源键。
As for buttons, there is a shutter release, a slider for an 8x optical zoom and a power button.
你可以滑动圆柱体边上的滑钮设定初始值，然后转动手柄来计算结果。
You set your initial figures by sliding knobs along the side of the cylinder, then turn the crank to compute the results.
你可以滑动圆柱体边上的滑钮设定初始值，然后转动手柄来计算结果。
You set your initial figures by sliding knobs along the side of the cylinder, then turn the crank to compute the results.
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