But the body's natural defenses are usually strong enough to prevent an active case.

但是身体的自然抵抗能力通常很强大，足以阻止活跃的病症。

youdao

WHO is also providing support to the Ministries of Health of the two countries with epidemiological investigations, active case finding and follow-up of contacts.

此外，世卫组织正支持这两个国家的卫生部进行流行病学调查、积极发现病例和跟踪曾与死者接触的人。

youdao

In this mode, one server runs in ACTIVE mode servicing requests from the clients and one or more servers run in PASSIVE mode acting as a hot standby for the ACTIVE server in case of a failure.

在该模式中，其中一个服务器以主动模式运行，处理来自客户端的请求；另一个或多个服务器以被动模式运行，在主动式服务器失败情况下即时充当替代服务器的角色。

youdao

But the body's natural defenses are usually strong enough to prevent an active case.

VOA: special.2009.03.25

So, there's been an active effort to reestablish the process of smallpox vaccination in case that's needed.

为了以防万一,现在正积极重建,能够制造天花疫苗的工艺进程

耶鲁公开课 - 生物医学工程探索课程节选

The United States Embassy said it was an active case that is before justice officials and members of the judiciary, but was not willing to comment further.

BBC: David McIntyre

So we're really trying to get out there and do active case finding, which means that we're trying to get kids before they become severely malnourished to come in and get, you know, their adequate treatment and refer them to the proper places.

NPR: Doctor Describes Scene in Darfur

Since then, the firm has been among the most active in the case, winning a court order Nov. 2 freezing Bennett's assets.

FORBES: Legal Smackdown