例句與造句

1. Through analysis of natural frequencies and seismic response by means of response spectrum method for such building structure with different suspension mass pendulums , it was concluded that optimal damping effect would be obtained when a few suspended mass pendulums with similar frequency as the structural basic frequency fixed on the top stories of the high building
   通過對具有不同懸吊質量擺的高層建筑結構的自振特性及反應譜法地震反應分析，得出在高層建筑結構頂部幾層設置幾個質量擺且質量擺的頻率和結構的基頻相近時減震效果最好。
2. It's difficult to find frequency fixing in a sentence. 用frequency fixing造句挺難的