Wedgestructure is a common phenomenon in Qauternary strata. It has complicated origin and may provide a lot of environmental information.
楔状构造是第四纪地层中较常见的一种现象，其成因复杂，具有丰富的环境信息。
2
This paper deals with a new type damping sound-absorption wedge for ship and its material formulations, damping properties, wedgestructure, sound-absorption.
简要介绍了舰艇用新型阻尼吸声尖劈的材料配方、阻尼性能、尖劈结构、吸声性能。
3
A new type of servo brake which provides a increased brake torque by a roller and a wedgestructure, whose advantages are its ideal force on brake shoes and even wear, has been developed.