Time: About 3 months. This stage involves two different time commitments: building your vocabulary and grammar flashcards and reviewing the deck.
时间：3个月左右。这个阶段的时间用在两个方面：制作词汇和语法卡片以及复习这些卡片。
In designing a pontoon deck system which is made of light-weight and high rigidity material, strength calculation is one of the most concerned problems for designers at the beginning stage.
采用轻质高强铝合金材料设计舟桥的甲板时，其强度计算是初始设计者最为关心的问题之一。
Then, with the most dangerous construction stage as an example, the improvement of the flutter stability of the system with cross - hangers mounted between the main cables and the deck is studied.
以其中最危险的架设阶段为例，研究了在主缆与主梁之间设置交叉索这咱结构措施提高系统颤振稳定性的效果。
In the construction stage, they did not concrete a part of the deck 1.3 m in length, at the central midspan, in the non-prestressed zone.
在施工阶段，有一段桥面没有现浇混凝土，长1.3米，位于桥跨中没有预应力的区域。
However, there are many unsolved problems in theory and actual construction for the non-stage face deck over 200 meters in inclined long. The main work of this paper is launching for these problems.
然而一次性浇筑施工斜长超过200米的面板，在理论依据和实际施工中都存在许多问题尚未得到解答，本论文的主要工作就是针对这些问题而展开的。
However, there are many unsolved problems in theory and actual construction for the non-stage face deck over 200 meters in inclined long. The main work of this paper is launching for these problems.
然而一次性浇筑施工斜长超过200米的面板，在理论依据和实际施工中都存在许多问题尚未得到解答，本论文的主要工作就是针对这些问题而展开的。
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