Conversely, you might use a slow shutter speed to compensate for low light conditions-the longer the hole is open, the more light gets in, right?
反过来说，你可以用慢速快门来补偿暗光条件。
2
Rapid speed of aging results from low fertility; material preparation should be made ahead of time by taking advantage of current preferable population conditions.
老龄化速度快是低生育的结果，应充分利用“人口红利”为老龄化做好物质准备。
3
Due to such problems as bigger stepper Angle, and lowspeed vibration, the use of the stepper motor in high precision conditions is limited.