它的优点和上节类似：紧凑数据表、跨三个具体子类的数据分区以及对子类任意数据的修改都只涉及一张表。
The pros are similar to the above section: compact tables, data partitions across three concrete subclass tables, and any data change on a subclass only involves one table.
尽管如此，更加夺人目光的是1088米长（苏通大桥全长32.4公里——译注）的苏通长江大桥，这是世界最长的斜张桥，而且也是第一座主跨部分超过1000米的大桥。
Even more visible, though, is the Sutong Bridge, which at 1088 meters (3570 feet) is the world's longest cable-stayed bridge, and the first whose main span exceeds 1000 meters.
基于两榀接近足尺的后张有粘结预应力混凝土框架的试验，对多跨预应力框架的内力重分布进行了研究，重点考虑了框架的连续性和轴压比的影响。
Based on tests of two full-scale double-span prestressed frames, internal force redistribution of frame was studied and continuity of structures and axial compression ratio of column were analyzed.
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