现今人们越来越关注他们的健康，但如何保持健康？
Nowadays more and more people are concerned about their health, but how to keep healthy?
如何及时准确地检测桥梁的健康状况，越来越引起人们的关注。
More and more people concerned how measure and monitor the health of bridge.
如何及时准确地检测桥梁的健康状况，越来越引起人们的关注。
More and more people concerned how measure and monitor the health of bridge.
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