The source and targets of replication are "live," so work can be accomplished simultaneously on each system.

复制的源和目标是 “活动的”，所以工作可以在每个系统上同时完成。

youdao

At the time when the global TB targets were set in 1991, no system existed for measuring the global burden of this disease.

1991年确定全球结核指标时，不存在任何衡量这一疾病的全球负担的系统。

youdao

The system will be capable of destroying hypersonic and ballistic targets.

该系统将能够摧毁超音速和弹道目标。

youdao

Under existing arrangements, GPs are paid by a complicated system of fixed fees linked to targets and the number of patients on their list.

BBC: GPs to promise next day appointments

When infected by a virus, the immune system typically targets those chains of dsRNA in an attempt to prevent replication.

FORBES: Researchers Discover a Universal Antiviral Drug

In an eight-year heyday in the 1990s at Immunex, the two men helped discover some of the most important new drug targets in decades, unearthing a family of immune-system genes.

FORBES: The Maverick and the Maestro