a pushing effect on production的用法和样例：
- The new system has had a disastrous effect on productivity.
- Then the method and result of experimention are related.It is obtained that an satis fact -ory effect on production.
- Pest control and harvest management were the two factors having the greatest effect on production of alfalfa.
- The spirit of Gutian Conference has had an important guiding and pushing effect on strengthening the construction of grass-roots Party organizations.