These widgets can be both visible for rendering the UI or hidden for performing background processing.

这些部件可以是可视的，以便用于呈现UI，也可以是隐藏的，以便用于执行后台处理。

youdao

The IMPLICITLY HIDDEN attribute on a CREATE or ALTER TABLE statement specifies that the column is not visible in SQL statements unless the column is explicitly referenced by name.

CREATE或ALTER table语句中的IMPLICITLY hidden属性表示，除非根据名称显式引用列，否则该列在sql语句中不可见。

youdao

Totals can include only the displayed data, or both visible and hidden data.

总计可以仅包括所显示的数据，或者是可见的和隐藏的数据。

youdao

When markets earned them double-digit returns, few people looked closely at the costs of fund management, either the visible or the hidden sort.

ECONOMIST: Other people's money