1. Usually, the problem is one or more improperly attached connectors. 通常，问题是一或更多不正确附加的连接头。
2. Adjust and replace defective or improperly functioning circuitry and electronics components, using hand tools and soldering iron. 使用手工具和烙铁来调整和更换损坏或不当运作电路和电子元件。
3. For preventing actions that can trend to monopolization, unduly and improperly competition, the thesis still briefly analyses necessity and way of government control. 为防止趋于垄断、竞争过度、不正当竞争等行为，文中还简要分析了政府管制的必要性和管制手段。
