coverage

Immunization coverage against fatal diseases has increased to 99% in some countries.

在一些国家致命疾病免疫注射的覆盖面已达到99%。

This device is part of a mission that will allow scientists to deliver fourth generation or 4G mobile coverage to the moon in 2019.

这款设备是一个任务的组成部分，该任务可以让科学家在2019年将第四代或 4G 移动网络覆盖月球。

Now a special TV network gives live coverage of most races.

现在一个专门的电视网对大多数比赛进行现场报道。

Medicaid health coverage provides protection for low-income families.

医疗保险为低收入家庭提供了保障。

The history book gives full coverage of the events of that period.

历史书对那段时期的发生的事件进行了全面的阐述。