任何想简化JDBC编程的API或工具最好有一些好的数据操纵特性，在这一节中，我要向您再介绍三个。

Any API or utility that intends to simplify JDBC programming had better have some rock-solid data manipulation features and in this section, I'll show you three more.

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微速前进操纵速度5节。

Manoeuvring speed at dead slow ahead 5 knots.

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它由功能器、操纵杆、活动节、控制电路盒和电缆线构成；

The utility model is composed of a functional device, an operating rod, a movable joint, a control circuit box, and a cable wire.

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