Their wellbeing was even higher than those who never used such devices.
他们的幸福感甚至高于那些从未使用过此类设备的人。
Lean systems also use such devices.
精益系统里也有这样的设施。
Such devices could, however, also see what is happening deep inside the Earth.
但是,这种装置也可以看到地球深处的动静。
Such devices are found increasingly in public places like airports, restaurants and office buildings.
VOA: special.2009.08.11
She did not use any safety devices, such as a seat belt or parachute.
VOA: special.2011.06.12
"We also carefully consider the sources of exposure of populations to radiofrequency electromagnetic fields, the nature of these fields as they come from various devices, including wireless phones, and we look carefully at the physical phenomenon by which exposure to such fields may perturb biological systems and lead to cancers."
VOA: special.2011.06.06
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