substitution中文什么意思

n.
1.代，代用，代替，更替，置换。
2.【化学】取代；【数学】代换；代入；【法律】预定继承人；【语法】词的代用。adj.
-al ,-ary adj.

• substitution no:    三号上
• abnormal substitution:    非正常换人
• address substitution:    地址代换; 地址替换

例句与用法

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1. The overall reaction is one of substitutions .
   总反应是取代反应中的一种。
2. They allow no substitutions on the club luncheon .
   客饭固定的午餐不能换菜。
3. I have made the substitutions required in this book .
   我在本书中已应需要作了改换。
4. The procedure for solving the eqs is called back substitution .
   解方程组的这一步骤叫回代。
5. Substitution : player no. 4 for no. 3 .
   换人：

英文释义

名词

1. the act of putting one thing or person in the place of another: "he sent Smith in for Jones but the substitution came too late to help"
   同义词：exchange, commutation
2. an event in which one thing is substituted for another; "the replacement of lost blood by a transfusion of donor blood"
   同义词：permutation, transposition, replacement, switch