back mode

基本解释

Adjusting switch structure and altering turn-back mode.
调整岔线结构和改变折返方式。
In write-back mode the unit of memory access is the cache line, 64 bytes in the Core 2.
在回写式模式下，在64位机的酷睿2处理器中，存储单元路径就是缓存路线。
Because it is so hard to acquire sufficient telescope time for a sky survey, SETI observations at Arecibo were conducted up to now in the in the piggy-back mode.
因为很难得到充足的望远镜使用时间进行全天调查，如今SETI在阿雷西博的观测采取的是一种附加式的模式。

And we're taking the brakes off and going back into mode.
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When the camera's completely switched off, hit the power button and you'll go straight into camera mode which lets you shoot immediately, then about half a minute later the interface seamlessly goes back to smart mode, which is when you can hit the back or home button to toggle the Android unlock screen (though we'd rather go straight into the home screen).
ENGADGET: Nikon Coolpix S800c hands-on: a closer look at the Android camera (video)
Now going into the weekend, Greece has markets and world leaders back in fear mode.
FORBES: Entire Global Economy At Mercy Of Tiny Greece?