For instance, to limit values in a field to all Numbers, write a routine that makes sure the input is all Numbers.

例如，要把字段值限定为所有数字，需要编写一个确保输入全都是数字的例程。

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The lateral rigidity limit values determined by the new method can ensure trains to run on Bridges with smoothness and comfort, and also can prevent derailment.

该方法确定的桥梁横向刚度限值既能保证列车平稳舒适运行，又可防止脱轨。

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To study the biological limit values for occupational exposure to styrene.

研究职业接触苯乙烯的生物限值。

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Although frames make it easier to manage a complex set of facts, opinions, values and concerns, they also limit the information, perspective, values and the problem-solving processes that are acceptable or preferred.

FORBES: If You Knew This, You'd Be Rich By Now

Such a politics would involve more patriotism and sense of service to society, greater concern for equality and a readiness to limit markets when they threaten to injure human values.

ECONOMIST: First principles of justice