在佳能装置上，FE锁是在相机顶部显示屏正下方带星号的按钮（*）。
On Canon units, the FE lock is the asterisk button (*) directly below the display screen on top of the camera.
带星号的问题可以略去。
我们用一个内带星号的菱形表示电流噪声源。
The noise current source is denoted by a diamond with an asterisk inside.
这里用一个内带星号的圆圈表示一个电压噪声源。
The noise voltage source is denoted by a circle with an asterisk inside.
这里用一个内带星号的圆圈表示一个电压噪声源。
The noise voltage source is denoted by a circle with an asterisk inside.
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