Despite the difference in brain activity on and off estrogen, participants' scores did not change.

虽然在有无雌激素的条件下，大脑的活动有所差别，但是参与者的得分没有改变。

youdao

One of their effects is to keep HIV genes switched off. So inhibiting their activity should switch those genes back on.

这种酶的其中一种功效是让艾滋病病毒处于关闭状态，因此一旦抑制了酶的活性，就反而会激活那些病毒基因。

youdao

One phone was turned off, while the other had an active call going for 50 minutes. It was muted to prevent the audio from having effects on brain activity.

其中一部手机处于关机状态，而另一部手机保持通话状态50分钟，不过这部手机被调成了静音模式以防止声音本身对脑部活动有影响。

youdao

Both drugs turn off a natural brake on immune system activity called CTLA4 (cytotoxic T-lymphocyte antigen 4).

FORBES: Magazine Article

The recorded music industry tried to go after consumers when illegal downloads of music took off on the Internet, but the strategy turned off customers and did little to dent illegal downloading activity.

FORBES: Legality Of Selling Used Items

The same Web screen we called up to set up the router also allows access to a series of administrative options that, among other things, includes turning Wireless access on and off, blocking certain URLs, keeping logs of network activity and creating e-mail alerts that let you know when Junior is trying to do something he shouldn't.

FORBES: Wireless Networking Gets Easy