Structure of safety grade two, refractory categories for the class, grade two, building seismic fortification intensity is 7 degrees.
结构的安全等级为二级，耐火类别为丁类、防火等级为二级，建筑物抗震设防烈度为7度。
The dissertation has adopted the designing soft of PKPM to analyze the designing method of 130 modes of staggered truss structures at 7 degrees seismic fortification intensity.
本文采用大型设计软件PKPM对7度抗震区的130个交错桁架结构模型进行了设计分析。
Some suggestions were put forward on the seismic intensity regionalization in the region and the belongings of Zaisang M 7. 3 earthquake on June 14, 1990 and the one with M. 6. 8 on Aug. 3, 1990.
认为1990年6月14日原苏联斋桑7．3级地震和同年8月3日6．8级地震应属准噶尔西界山带地震。显然，准噶尔西界山带范围内的地震烈度区划（1990）应该调整。
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