The analysis was made on the motion characteristics and function of hips of the first eight broad-jump athletes in the 9th Sports Meeting at the instant of touching the springboard,with the help of high-speed pickup camera and Aijie kinescope analysis system.

In order to accelerate national land reconstruction,vegetation engineering of soil and water conservation often put adhesive into the project of sprayed work to make plant seed effective staying and growing,and there is the purpose of protecting slope land surface for soil erosion.