gain guidance的用法和样例：
例句
- Special gain controls are used to regulate the amplitude levels at the beginning and end of the record.
为了调节记录的开头部分和尾端的振幅电平，通常采用专门的增益控制。 - You'll also gain control of some of Webb's units, including another repair unit and a couple more artillery units, as well as an anti-air unit.
你还增益控制一些韦伯的单位，包括修复另一组一对夫妇更炮兵部队，以及防空部队。
