In the first half of the 20th Century, the Afro-Brazilian music and drumming that is now the Carnival's most distinctive began to be an integral part of the festivities.
20世纪上半叶，非裔巴西人音乐和打鼓乐进入狂欢节表演中并成为狂欢节急剧特色的表演。
2
The problem of torsion of elastic shaft of revolution embedded in an elastic half space is studied by the Line-Loaded Integral Equation Method (LLIEM).
本文用线载荷积分方程法(LLIEM)研究嵌在弹性半空间的弹性回转轴的扭转问题。
3
The vertical vibration of a rigld circular plate on a poroelastic half space is studied by using the technique of integral transform and integral equation.