In reindeer, even if they're missing a circadian clock, melatonin levels still spike when it's dark and drop when it's light, making the equinoxes an ideal time to synchronize their annual clocks.

而驯鹿呢，虽然它们没有昼夜节律钟，其褪黑激素水平仍然会在黑暗的时候上升，光亮的时候下降，从而使它们的昼夜分点达到理想状态，进而与年生物钟同步。

youdao

A simple way to synchronize clocks among machines is to use a time server.

对机器间时钟进行同步的一种简单方法是使用一个时间服务器。

youdao

The other machines would then use the network time protocol (NTP) to synchronize their time stamps with the time server's.

然后其他机器就可以使用网络时间协议(ntp)来与时间服务器的时间戳进行同步。

youdao

Evernote took a long time to synchronize my account, and the Kindle app had to stop every few pages to fetch the next section of a book, even if the book had been downloaded.

WSJ: Microsoft's Touch-Screen Tablet Is Designed for Work

Even if you've been married for years, now is a good time to sit down and synchronize employee benefits.

FORBES: Married, with benefits

Available to broadcasters, cable companies, publishers, content providers and others, TVSync's open API leverages the best video and audio ACR (Automatic Content Recognition) technology of the industry leader Vobile to facilitate exciting new applications that synchronize, in real time, to the content a user is consuming.

ENGADGET: TVSync API unveiled, helps devs build second-screen and smart TV apps