英语翻译
完整句子：Council Directive 80/181/EEC of 20 December 1979 on the approximation of the laws of the Member States relating to units of measurement and on the repeal of Directive 71/354/EEC
有这样几种翻译,那个合适些,或怎样翻译更好
（1）成员国近似法规
（2）成员国相似法规
（3）近似成员国的法规
(4) 使各成员国XXX法律趋于一致的XX
还有哪位能提供“on the approximation of the laws of the Member States relating to units of measurement ”新的可否翻译成：有关计量单位的成员国近似法规