应该注意到负压的腹点.The negative pressure loop should be noted.通过人工激振拉索后,测得拉索的振动波腹点位移衰减时程曲线,计算得拉索的对数衰减率值.The logarithmic decrement of the cable is then calculated free decay curve of the displacement data....
Country wallpaper and border include apples , birdhouses, washboards, outhouses, roosters and so much more.乡村壁纸和它的边缘的图案都包括了苹果、鸟笼 、 洗衣板 、 外屋 、 公鸡等等.As the roaring rocket rose the restless roosters rollicked.随着喧哗的烟火上升,不安宁的...