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1·I can understand this limitation: it's not usually easy to superimpose a regular lattice of information upon an XML document; such is the mismatch between extensible hierarchies and rigid tables.

我完全理解这种局限性，要将规整的信息表格添加到XML文档通常并非易事，这就是可扩展层次结构和严整表格的不匹配。

2·For this project is a heavier steel structure, plant production double-layer lattice rigid support scheme, the amount of steel per unit area save about 10%.

针对本工程为重型钢结构，对厂房采双层格构式刚性支撑方案，单位面积用钢量节省10%左右。

3·Part of lattice in rigid zeolites can be slackened by water molecules, the crystal lattice remains unchanged, but its space is increased.

刚性沸石中，部分晶格可被水分子松开，晶体保持不变但晶体孔穴增大。

4·So the author manages to develop a portal lattice rigid frame designing CAD software with the meet of engineering.

为此，作者开发了一套能满足工程需要的门式格构刚架CAD系统。