default attribute [计] 缺省属性, 缺席属性
- If a default value for the attribute is defined in a DTD, a new attribute immediately appears with the default value.
如果属性的默认值已在DTD中定义,那么性属性将直接替换默认属性。 - Use the# REQUIRED keyword if you don't have an option for a default value, but still want to force the attribute to be present.
如果你对默认值不具备选择权却想却有想让属性值存在,那么你不妨使用#EQUIRED关键字。 - Change the Time value to adjust an animated fractal pattern. If Animated is off, the Time attribute is unavailable. The range is0 to100. The default is0.
改变时间值来校正碎片图案的动画.如果动画是关闭的,时间属性将是无效的.有效的范围是0到100.缺省值是0.
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