Sets the current state of the identified content place holder.

设置标识的内容占位符的当前状态。

youdao

OLxxx—This is a table place holder for future firmware revisions.

这是一个表格位置占位符，用于将来的固件版本。

youdao

Is a place holder for the array of items that may be named differently depending on your data source.

是占位符，代表结果项数组，根据数据源的不同，该数组可能具有不同的名称。

youdao

Now, each of you is essentially a place holder or a column.

现在，你们每个人代表一列或者一个位数。

哈佛公开课 - 计算机科学课程节选

In general, when we wanna talk about running time, we just need a silly place holder, so we'll call it T for time.

一般情况下，当我们讨论运行时间时，需要一种表示方法，这里T表示时间。

哈佛公开课 - 计算机科学课程节选

Startups often utilize the convenience of a place holder name during their early days.

FORBES: What's In A Name? 5 Tips To Get It Right

He thought the amount reserved by hotels was excessive and he was also concerned that the transaction took place without the card-holder knowing.

BBC: NEWS | Programmes | Moneybox | Warning for credit card customers

The holder start in a locked vertical position, and to attach a lens you just bayonet it into place, securing the glass and allowing the holder to be lowered.

ENGADGET: Insert Coin: Quikdraw targets lens fumblers and multiple camera packers (video)