所验证的输入控件的值与其他控件的值或常数值之间的小于比较。
A comparison for less than between the values of the input control being validated and another control, or a constant value.
所验证的输入控件的值与其他控件的值或常数值之间的小于或等于比较。
A comparison for less than or equal to between the values of the input control being validated and another control, or a constant value.
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