The sheetlet design depicts the roaring tide and the natural scenery of qiantang jiang 小型张刻划了潮头壁立的奇观，以及钱塘江的自然景色。
2.
The field tests of the no . 15 stay cable attached with oil - dampers in the qiantang jiang no . 3 bridge are conducted . the tests data are analyzed by the fitting method of the frequency response function . the dynamic characteristics of the cable and dampers are investigated 对已安装了阻尼器的钱塘江三桥15号斜拉索进行了现场振动测试，采用频响函数拟合法对试验数据进行了分析，得出了已有阻尼器及拉索的动力特性。
