addition elimination mechanism的用法和样例：
- The authors propose an E 2 elimination mechanism in which the cinchona alkaloid acts as a chiral base in consistency with measured isotope effects.
- The results show that the carry elimination mechanism has shorter delay，fewer gates and lower power consumption than carry truncation mechanism.
- Through inducing competence and elimination mechanism , foundation of management system and efective measures , the author brings forward some suggestions to reinforce the tutor team.
- This paper build an one dimensional axial propagating model for Helmholtz resonator, and the noise eliminating mechanism has been revealed.