Screening is when people are invited for a test to look for disease despite them having no symptoms.
With a few exceptions, most ergonomic keyboards will work with PCs or Macs as a standard typing input, but the use of function and hot keys may require some remapping. It can be as easy as an onboard switch to toggle between Mac and PC layouts, or as involved as downloading software to change up the keys. Some boards even include (or let you buy) extra keycaps to change, say, the Mac’s Command and Option keys to PC’s Start and Alt buttons. Those are what's called hot-swappable keys, meaning you just pull the old key off (usually with a provided key puller) and stick the new one on, no soldering required.
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2012年11月，新当选的中共中央总书记习近平同中外记者见面，一句“人民对美好生活的向往，就是我们的奋斗目标”，成为新时代中国共产党人最响亮的誓言。
"Research has shown that chalk stream salmon are genetically unique and irreplaceable. They play a vital role in the ecosystem, supporting insects, birds, mammals, and other river life," the trust said.