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The results show that the phase transfer catalytic action of DCAS is very strong .

结果表明，DCAS具有很好的相转移催化性能，与TBAS相当。

In this paper , the new cyclic quaternary ammonium salt DCAS was designed and synthesized .

设计并合成了新的环状季铵盐DCAS。

Dcas features a method of using identities as rules to manipulate algebraic expressions .

Dcas突出体现了一种使用标识作为规则来操作代数表达式的方法。

Design and Practice of the Design Change Automatic Solution DCAS

设计变更自动化解决方案DCAS的设计与实践

Furthermore , a self-adaptive disturbance strategy was introduced to improve the precision of DCAS by developing ant \'s local search .

另外引入自适应扰动策略改进CAS算法，使蚂蚁增强局部搜索能力，提高了原算法的搜索精度。