Light emitted in this environment will have a certain frequency, which is related to the time scale (or the gravity strength) of the environment.

在那样环境下所发射的光会具有一定的频率，这个频率是与环境的时间标度(或引力强度)有关。

youdao

Disable any services that are not needed, and consider an appropriate execution frequency for your environment for the services you do use.

禁用所有不需要的服务，并为使用的服务设置适合自己环境的执行频率。

youdao

The write-behind configuration should be tuned to best match your environment with regards to the ratio of write transactions, the same record update frequency, and database update latency.

write - behind的配置可以调整，以满足自己的运行环境，这其中包括写事务的比例，相同记录更新的频率，以及数据库的更新延迟。

youdao

High resolution is achieved by measuring motion rather than radio frequency signals as wifi does, and is based on where and how the person moves through an environment over time.

BBC: Technology that works behind closed doors