introduction n. 1.引導;傳入。 2.介紹。 3.推廣,采用;引進。 4.(育種)引種。 5.序,導言,緒言;【音樂】前奏,序奏。 6.初步,入門(書),概論。 The word is a recent introduction. 這個詞是新傳來的詞。 a letter of introduction 介紹信。 introduction of better strains of seeds 良種的采用。 An I- to Chemistry 《化學入門》。
An introduction to engineering quality control theory 工程質量控制理論概述
Main characteristics of bearing capacity of cast - in - place pile under vertical load have been expounded by introduction to engineering course and analysis of experiment result . and application of test pile in concrete design has been probed 摘要通過對工程試樁過程介紹及對結果的分析,總結了豎向荷載作用下嵌巖灌注樁承載力的主要特點,并對試樁在具體設計中的應用進行了探討。