然后在“有效性文本”框中单击，并键入输入的日期必须为今天或更早的日期。

Then click in the Validation Text box and type Date entered must be today or earlier.

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在使用其中某个工具时，窗体上的控件继承基础表属性，其中包括所有有效性规则和有效性文本。

When you use one of those tools, the controls on the form inherit the underlying table properties, including any validation rules and validation text.

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这种绝对化的文本崇拜，使文学研究具备合法性、超越性和神圣性的同时也丧失了有效性、现实性和人文性。

The absolute worship of text provides literary study with legitimacy and transcendence and divinity, but meanwhile, this kind of study loses validity reality and humanity.

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