Chit phiⁿ bûn-chiuⁿ kài-siāu 1973 nî thong-sè-kài ê iá-kiû hoat-tián; kî-tiong mā pau-hâm chōe-chōe tiōng-iàu ê iá-kiû siong-koan sū-kiāⁿ.