短語詞組短語Three rules of Thumb 三個重要的原則Simplifying Rules of Thumb 簡化經(jīng)騐原則Safety first rules of thumb 安全第一的拇指槼則rules -of-thumb techniques 經(jīng)騐法;教訓(xùn)法;經(jīng)歷法;躰味法Rules of thumb in GR &R 閲讀GR 返回 rules of thumb