求翻译：日本明石海峡大桥是世界上目前最长的吊桥，其主跨长1991米（960+1991+960），全长3911米，是三跨二铰加劲桁梁式吊桥，大桥于1988年5月动工，1998年3月竣工。是什么意思？

Japan's Akashi Kaikyo Bridge is the longest suspension bridge in the world, its main span of 1991 meters (960 +1991 +960), total length of 3911 meters, is a three-span two hinged stiffening girder type suspension bridge, the bridge started in May 1988 , completed in March 1998.

japan The Akashi Strait Bridge is at present the longest suspension bridges in the world, and its span 1991 (960 + 1991 + 960 meters in length) is 3911 meters, 3 2 strategies across the stamina-truss Bridge, the bridge LEUNG in May 1988, and commence completion in March 1998.

The Japanese alum channel bridge is in the world the present longest hanging bridge, its main span length 1991 meters (960+1991+960), the span 3911 meters, were three cross two articulations try harder the braced girder type hanging bridge, the bridge begin construction in May, 1988, in March, 1998

Japan is currently the longest suspension bridge in the world of Akashi-Kaikyo Bridge, its main span length 1991 m (960+1991+960), is 3,911 meters long, is a three-span two-hinged stiffening girder suspension bridge, the bridge began in May 1988, completed in March 1998.

The straits bridge of the bright stone in Japan are the longest suspension bridge at present in the world, it mainly steps 1991 meters long (960+1991+960), total length is 3911 meters, step and cut with scissors and put more energy into the longeron type suspension bridge two times three times, the