| 单词 | detect the presence of |
| 释义 | detect the presence of Like the screen on a smartphone, the system uses capacitive technology to detect the presence of an electrical conductor; in this case, the driver's hand. Times, Sunday Times Doctors can detect the presence of hardened arteries at the back of the eye long before symptoms of heart disease appear elsewhere. Times, Sunday Times Switch on, breathe onto the sensor for a few seconds and it will detect the presence of those gases associated with bad breath. Times, Sunday Times So far we have seen no evidence that they can reliably detect the presence of pedestrians, cyclists and equestrians, let alone predict their movements. Times, Sunday Times Traffic lights use a variety of sensors to detect the presence of vehicles and change to green to prevent a build-up of traffic. Times,Sunday Times |
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