It is ideal for those who have an understanding of ISO, aperture, shutter speed, white balance and how to change these on your digital SLR or bridge camera.
To decrease the measuring error, the balancebridge is often used in the bridge measurement.
电桥测量中，为了减少测量误差常常采用平衡电桥。
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To control stepping motors, the balancebridge power drive circuit is made up by TDA1521 integrated audio power amplifier, the pulse allotter is made up by the parallel ports of computer and latches.