先行规则

【计】 look-ahead rule

先行的英语翻译：

go ahead of the rest; in advance; precession
【计】 anticipated; anticipatory; look-ahead

规则的英语翻译：

regulation; rule; formulae; order; rope
【计】 rule
【化】 regulation; rule
【医】 regulation; rule
【经】 propriety; regulations; rule