A blank-testing method is useful, because many applications want to treat all blank inputs in the same way.

由于许多应用都希望用同样的方式来处理各种空白字符串，因此这一判定方法是有用的。

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Methods: Treate all blank kinds of vascular dermatosis 135 cases with intense pulsed light, observe the curative effect and no obvious side - effects of vascular dermatosis.

方法：使用强脉冲光子治疗仪对135例血管性皮肤病患者进行治疗、观察和综合分析。

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When this dialog box opens, all of the fields are blank.

当打开这个对话框时，所有字段都是空白。

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This idea that all children are blank slates and that all that then happens is societally imprinted.

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Leave column E blank on all but the 4 days a year that the ETF does not go ex-dividend.

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We prepare to enter a new year with all of the pages still blank, in readiness.

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