Conclusion: Compound Dan -shen injection has ameliorating effect on study and memory disorder.

结论：复方丹参注射液对动物学习记忆障碍有改善作用。

youdao

In addition, spending too much time playing games on line will not only have a bad effect on study but also do harm to our health.

还有，花费过多的时间沉迷于网络游戏不仅会对学生的学业产生不良影响，而且对健康也有坏处。

youdao

Merck is setting a good example by evaluating the drug in steps, carefully assessing its effect on patients, and not proceeding toward approval before testing the effect of the drug on patient outcomes in a large study.

FORBES: Merck Does The Right Thing

Honey Langcaster-James, a psychologist who specialises in celebrity behaviour, said so few people achieved star status that it made it difficult to scientifically study the effect on people's lives.

BBC: Fame may 'lead to a shorter life'

Britain's Treasury recently commissioned a study on the effect of high-frequency traders on markets.

ECONOMIST: The post mortem into the stockmarket slide of May 6th