A member having a pushing portion for pushing the first connecting object is so arranged that the pushing portion is in a position facing to the protruded contact portion.

具有用于按压所述第一连接件的按压部分的部件设置为所述按压部分位于面对所述凸出接触部分的位置上。

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To draw an object calling itself, you draw a message as you would normally, but instead of connecting it to another object, you connect the message back to the object itself.

为了要画一个调用本身的对象，如你平时所作的，画一条消息，但是不是连接它到另外的一个对象，而是你把消息连接回对象本身。

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Upon successfully connecting to the database, this function returns a connection object, which is required in the subsequent database read and write operations.

如果成功地连接到数据库，这个函数会返回一个连接对象，后续的数据库读写操作需要使用这个对象。

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