The sense of speeding motion is usually perceived by the presence of a Doppler Effect. Reduction of Barry Truax - Handbook for Acoustic Ecology CD-ROM Edition.
另外，运动物体的速度感通常是因为环境中多普勒效应的存在而被感知。
2
Shenzhen, a newly-developed city and a coastal city in a real sense, devotes a lot of efforts to protecting coastal ecology and achieves great progress.
深圳是一个建设在海岸带上的新兴城市，是一个名副其实的海洋城市。
3
Special synthesis technique was applied in Cave Stone Series Tile to appear the beauty sense from original ecology of natural stone. Such tiles have rough and simple texture, warm and soft color.