be reduced by

基本解释

That, in turn, allows the weight of the suspension system to be reduced by 25%.
这反过来使其悬挂系统重量减少了25%。
With this, the number of false positives can be reduced by measuring the degree of similarity between names.
通过用这种技术衡量姓名之间的相似程度，可以减少虚假数据。
Once the overall migration process -- including data, logic, and processes -- is completed, the cost of maintaining multiple data sources can be reduced by eliminating the legacy system(s).
在完成了全面的迁移过程（包括数据、逻辑和流程）后，可以通过删除遗留系统来降低对多个数据源进行维护的成本。

Congress formed the committee. The committee proposed that tariffs be reduced by twenty percent.
A second goal is for the number of malaria cases and deaths to be reduced by fifty percent or more from the number reported in two thousand.
That force is scheduled to be reduced from nearly by next October,and to zero by the end of 2011, although Secretary Gates said Friday there could be a follow-on agreement for some U.S.troops to stay, particularly elements of the Air Force.

Gun violence could be reduced by educating gun owners or by restricting the sale of ammunition.
ECONOMIST: Bullet points