字母规则 meaning in Chinese

lettered rules

Except as provided by the rule paramount and the numbered rules , general average shall be adjusted according to the lettered rules
除首要规则和数字规则已有规定者外，共同海损应按字母规则理算。
In the adjustment of general average the following lettered and numbered rules shall apply to the exclusion of any law and practice inconsistent therewith
共同海损理算，适用下列字母规则和数字规则，凡与这些规则相抵触的法律和惯例都不适用。