大障
1.Results are presented for the sound radiation efficiency and power of the modes of the rectangular baffled plate subjected to simply-supported boundary conditions when the plate is excited by obliquely incident plane wave.
2.The government is opening up avenues for people to air their views. The main significance of this lies in the fact that it provides a turning point for breaking down psychological barriers and building up mutual trust between the government and the people over this matter.
3.A new type of lunar rover was designed according to the complex environment of lunar surface, and it consists of the frame, the suspension and the planetary wheels to surmount obstacles.
