hl "国家界面代码" 目前国家代码主要有: af, sq, am, ar, az, eu, be, bn, bh, xx-bork, bs, br, bg, ca, zh-CN, zh-TW, hr, cs, da, nl, xx-elmer, en, eo, et, fo, tl, fi, fr, fy, gl, ka, de, el, gn, gu, xx-hacker, iw, hi, hu, is, id, ia, ga, it, ja, jw, kn, xx-klingon, ko, ky, la, lv, lt, mk, ms, ml, mt, mr, ne, no, nn, oc, or, fa, xx-piglatin, pl, pt-BR, pt-PT, pa, ro, ru, gd, sr, sh, st, si, sk, sl, es, su, sw, sv, ta, te, th, ti, tr, tk, tw, uk, ur, uz, vi, cy, xh, yi, zu.