WCAG SC 2.1.1 says there must be no keyboard trap.
WCAGSC2.1.1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WCAGSC1.4.1，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。
Thank you very much for your order. We have agreed to book your Order No. 22344 for table-cloths and are sending you here with our Sales Confirmation No. SC-30 in duplicate.
非常感谢你们的订货，我方已同意接受你方第22344号订单，随信寄我方的售货确认书第SC-30号，一式两份。
SC-142 is a special transparent white water casting a low viscosity No advance for the unsaturated polyester resin.
SC-142是一种专用透明水白色浇铸的一种低粘度无预促进的不饱和聚酯树脂。
SC-142 is a special transparent white water casting a low viscosity No advance for the unsaturated polyester resin.
SC-142是一种专用透明水白色浇铸的一种低粘度无预促进的不饱和聚酯树脂。
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