introduction n. 1.引导;传入。 2.介绍。 3.推广,采用;引进。 4.(育种)引种。 5.序,导言,绪言;【音乐】前奏,序奏。 6.初步,入门(书),概论。 The word is a recent introduction. 这个词是新传来的词。 a letter of introduction 介绍信。 introduction of better strains of seeds 良种的采用。 An I- to Chemistry 《化学入门》。
An introduction to engineering quality control theory 工程质量控制理论概述
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 摘要通过对工程试桩过程介绍及对结果的分析,总结了竖向荷载作用下嵌岩灌注桩承载力的主要特点,并对试桩在具体设计中的应用进行了探讨。