四川省北部有剑门关，关南的蜀中地区称“剑外”。唐代京都长安在剑门关东北，以长安为中心，称此关以南地区为“剑外”，剑外也含有“剑门关外”的意思。
剑外忽传收蓟北，初闻涕泪满衣裳。
The sword and send and receive thistle north, heard of tears full of clothes.
并不是所有的挠性剑杆都需要装在筘座上的导剑片，越来越多的织机生产厂家在钢筘外的机架上安装托架以引导剑杆带。
Not all flexible rapiers require guides mounted in the sley. More and more rapier loom makers are directing the flexible rapier band through a fixed housing on the loom frame just outside the reed.
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