调查显示，纸质书籍、纸质报刊杂志的每日阅读时间和年度阅读数量均有所下降，而数字阅读则不断增加。
The survey shows that the daily reading time and yearly reading number of paper books, printed newspapers and magazines have dropped, while digital reading has continuously increased.
这种可调节的焦点使得宇航员能够执行诸如在一段时间内在昏暗光线下阅读小字清单的任务，然后用相同规格的一对镜片监测日常开销读数。
That adjustable focus allows astronauts to perform tasks like reading small-print checklists in low-light conditions on minute, then monitoring overhead readouts the next using the same pair of specs.
如果震网病毒发现了正确的参数，它就会在数周时间内对离心机转速进行微妙调整，以此破坏机器，同时，该病毒还会显示正常读数，让其行径难以察觉。
If it finds the right configuration, Stuxnet sabotages it by making subtle changes to the speeds of the centrifuges over several weeks, while displaying normal readings to cover its tracks.
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