The object can still be referenced and manipulated, it's just not physically visible.

仍然可以引用和处理该对象，只是在物理上不可见而已。

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By default, these columns are not visible on the Object Explorer Details page for the Databases folder.

〇默认情况下，这些列不在数据库文件夹的对象资源管理器详细信息页上可见。

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Note If the Object Explorer Details page is not visible, press F7.

请注意 如果 对象资源管理器详细信息 页不可见，按 F 7。

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Although it is not, as is commonly believed, the only man-made object visible from space, China's Great Wall still amazes with its sheer size, and remains impressive as a testament to architectural will, and to the need to keep out the Mongol hordes.

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