It can be used to charge one 12v battery from another or step up the voltage just enough to provide necessary overhead for a 12v linear regulator.
它可以用来从另一个收费一个12v的电池，或加强电压刚够一个12 V线性稳压器提供必要的开销。
On the other hand, should step up the financial derivatives market regulator, and guard against and defuse the risks.
另一方面，也要加强对金融衍生工具市场的监管，防范和化解风险。
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