WCAG SC 2.1.1 says there must be no keyboard trap.
WCAG SC 2.1.1指出不应有键盘陷阱。
This is a violation of WCAG SC 1.4.1, which says that color can only have a decorative impact; no function can be marked only using color.
这就违反了WCAG SC 1.4.1,它指出颜色只能用于装饰;功能性含义不能只用颜色标记。
However, no slots can be allocated or guaranteed to any airline prior to the commencement of a Schedules Conference (SC).
然而,槽孔不可以被分配或被保证到任何航空公司在日程表会议之前(SC)的开始。
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