1) substitution
[英][,sʌbsti'tju:ʃən] [美][,sʌbstə'tjuʃən]
代换
1.
Chaos for the Subsystems from Substitutions of Constant Length on Two Symbols;
两个符号的等长代换子系统的混沌性态
2.
Several Substitution Method in the Series Calculation;
数列问题中的几类代换法
2) Replacement
[英][rɪ'pleɪsmənt] [美][rɪ'plesmənt]
代换
1.
The Extension and Application of the Equivalent Infinitesimal Replacement;
等价无穷小量代换的推广和应用
2.
This paper introduces how to make use of the replacement of same value infinitesimal in calculating limit of the undecided type.
本文介绍了如何利用无穷小等价代换求未定式的极限,使计算简单化。
4) Substitution Permutation Network (SPN)
代换置换网
5) power renewal
动力换代
6) upgrading
[英]['ʌpgreid] [美]['ʌp'gred]
升级换代
1.
Trend of economic development in the perspective of the upgrading of specialized markets;
从专业市场的升级换代看经济发展的基本趋势
2.
The purpose is to promote the transformation and upgrading of our country\'s advanced manufacturing industry through the development and application of RFID technology.
近年来,科技部863计划两次推出RFID专项,目的是通过RFID技术的发展与应用推动我国先进制造业的转型与升级换代。
补充资料：代换
1.替代;更换。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条