direct substitution
英 [dəˈrekt ˌsʌbstɪ'tjuːʃ(ə)n]
美 [dəˈrekt ˌsʌbstɪ'tuʃ(ə)n]
直接取代；直接代入法
双语例句
- Solving Process of Resonance Region of Parametric Vibration by Direct Method of Substitution
用直接代入法求解参数振动的共振区 - Direct investment in the total impact on international trade are mainly investment substitution effect of trade and investment in complementary effects on trade.
直接投资对国际贸易总量的影响主要有投资的贸易替代效应和投资对贸易的互补效应。 - The essay, based on evaluating the reproduce-estimation method, suggests gaining the auxiliary information with direct or indirect method and employing the cluster-average method to realize the substitution for nonresponse unit or item.
在对复制估算法进行评价的基础上，提出运用直接或间接渠道获得的辅助信息，通过类平均法分析来实现对无回答单位（或项目）的替代。 - In resources substitute, the influence of direct consumption change to energy consumption is given by a formula and a new method of realizing low growth of energy consumption through resources substitution is explored.
在投入要素替代方面，通过确定主元素的方法，建立直接消耗系数变动对能耗总量变动影响大小的计算公式，进而得到了通过投入要素替代来实现能耗低增长的途径。 - Herein we disclose the direct substitution of the hydroxy groups in alcohols with serveral nucleophiles in the presence of acidic byproducts or external acidic catalysts.
我们利用酸性副产物或者外加酸性催化剂实现了醇与多种亲核试剂的直接取代反应，有效地拓展了醇的合成应用范围。 - We prove that when the capacity is very tight, the direct channel does take priority over the retail channel; otherwise, channel selection decision depends on the available capacity and the substitution rate.
证明当制造商的生产能力非常紧张时，直销渠道确实比零售渠道优先获得供货；否则，渠道的选择将由生产能力约束和渠道替代率共同决定。 - Most direct substitution of groups bound to an aromatic nucleus is limited to diazonium salts. Many groups can be added by nucleophilic substitution on a diazonium salt.
大多数连于芳核能被直接取代的基团仅限于重氮盐。许多基团可通过向得自胶的重氮盐作亲核取代而加以导入。 - In China, foreign direct investment enterprises first largely exported labor-intensive products and low-end high-tech products which had a comparative advantage using cheap labor in China, meanwhile they sold these products to other countries, forming the import substitution.
在我国，外商直接投资企业首先利用我国低廉的劳动力优势大量出口具有比较优势的劳动密集型产品和中低端的高新技术产品，同时将产品销往国内，形成进口替代。 - Progress of Synthesis of Vinyl Chloride Process from Direct Substitution Chlorination of Ethylene The Synthesis of Substituted Phenyl Ethylamine Study on Synthesis of Phosphonitrilic Chloride
乙烯直接取代氯化合成氯乙烯的研究 - After opening up, overseas direct investment has a substitution effect on China foreign trade, displaying a remarkable mutual complement and mutual promotion relationship. China foreign direct investment has a positive effect on the development of China foreign trade.
改革开放以来，国外直接投资对中国对外贸易具有替代效应，但总体表现为显著的互补效应和相互促进关系，中国的对外直接投资对中国对外贸易发展的影响表现为正效应。