substitution的例句（substitution在句子中的用法）

• Substitution, No.3 for No.4. 换人,4号下, 3号上.
• Therefore, in its origin, Standby was a substitution of bank guaranties. 因此, 从起源上来讲, 备用证的产生是出于替代银行保函的目的.
• We use saccharin in substitution for sugar. 我们用糖精代替糖.
• Severe steric effects at the reactive carbon would impede the substitution. 大的立体效应阻止在碳上的取代.
• The theory of hedonic price thinks there is substitution relation between wage and safety. 享乐价格理论认为工资与安全水平之间存在替代关系.
• It will become deepen to the students'recognization in mechanism of Aryl electrophilic substitution. 这些问题的讨论将深化学生对芳烃亲电取代反应机理的认识.
• Most direct substitution of groups bound to an aromatic nucleus is limited to diazonium salts. 大多数连于芳核能被直接取代的基团仅限于重氮盐.
• Many groups can be added by nucleophilic substitution on a diazonium salt. 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 non - coding region It'shows mutation of single nucleotide deletion or substitution. 非编码区亦存在单个碱基缺失及置换突变.
• In my experience a straight substitution of carob for chocolate doesn'twork. 根据我的经验，用角豆制品直接代替巧克力行不通。
• Bridged bicyclooctanes gave no significant bridgehead substitution. 桥二环辛烷不给出有意义的桥头取代.
• The same substitution, paint filling super esiguous attapulgite is better. 相同的代替量, 超细凹土优于原粉凹土.