The symmetrical bi-cylindrical structure is a closed shell composed by two unclosed arch shell.
该结构是由两个对称非闭合大弧度圆弧横截面柱壳对接而成的闭合柱壳结构（简称“双圆弧柱壳”）；
Camel Hill looks to my eye like a fist, closed except for a thumb pointing to the sky, while Elephant Trunk Hill looks like a simple arch.
在我看来，骆驼山就像一只四指朝天的拳头，而象鼻山看起来像是一座简陋的拱桥。
To construct the 1, 060-foot-long arch, they cast 24 feet of concrete at a time, while a separate, temporary cable-stayed bridge held up the unfinished ends until the gap was closed this year.
为了建造1060英尺长的拱结构，他们每次要浇铸24英尺长的混凝土块，与此同时，缆绳牵引的桥段的两端会在明年会合人。
The cross section of arch rib except the part closed to the arch springer is new dumbbell-shaped section which is different from the traditional one.
该桥拱肋截面除拱脚段外采用与传统哑铃形截面不同的新型哑铃形截面。
Then, it studies the characteristic of price volatility and risk in closed-end securities investment fund market by use of ARCH models.
然后，利用自回归条件异方差模型系统研究了我国封闭式基金市场的价格波动特性，分析了基金市场的风险特征。
Then, it studies the characteristic of price volatility and risk in closed-end securities investment fund market by use of ARCH models.
然后，利用自回归条件异方差模型系统研究了我国封闭式基金市场的价格波动特性，分析了基金市场的风险特征。
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