outer arch 中文意思是什麼
outer arch
解釋
外拱狀構造-
He was to leave the city by the porta del popolo, skirt the outer wall, and re - enter by the porta san giovanni ; thus they would behold the colosseum without finding their impressions dulled by first looking on the capitol, the forum, the arch of septimus severus, the temple of antoninus and faustina, and the via sacra
他要從波波羅門出城，繞城一周，再從聖喬凡尼門進城，這樣，他們就可以在去斗獸場的途中順便看看朱庇特神殿，古市場，色鐵穆斯塞維露斯宮的拱門，安多尼的聖殿和薩克拉廢墟。 -
Because the reality modes of structure mostly are vertical direction arch truss vibration, so model vibrations in outer plane are restricted in analysis. in experiment, the front three modes of vertical directions are achieved through vibration exciter in the structure
由於結構實際振型是以豎直方向的桁架振動為主，因此在分析時將模型平面外振動進行了約束，試驗中通過對結構進行激振，利用共振曲線測得結構豎直方向前三階振型。
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