Please type or write clearly in double spacing on one side of A4 paper only.
请用A4纸、以双倍行距单面打印或誊抄，字迹务必清晰。 。
2
The keys in molecular design of side chain liquid crystal polymers are analyzed from the main chain structures, types of main units and flexible spacing.
从主链结构、液晶基元类型和柔性间隔出发介绍了侧链液晶高分子分子设计的关键。
3
The joints between the central slab and the four side slabs can be specified either by an efficiency of shear transfer or by the size and spacing of dowel bars.