第九篇 1 forest,fire,earth and sky
2 prosperity,harvest
3 the lush forest and the harmonious relationship between man and nature.
4 Dunhuang murals
5 Tibetan Antelope
第十篇 1 C
2 high speed of operation to obtain high rates of production,improved accuracy to obtain quality and economy in the product,and minimized operating costs
3 large power plants and complete nuclear power stations
4 Jet aircraft,nuclear reactors
5 they all value scientific methods other than traditional or intuitive ones.
第十一篇 1 the motion and structural aspects and the provisions for retention and enclosure
2 it involves a lot of considerations,modifications,and also participations from all the people concerned
3 C 4 C 5 D
第十二篇 1 D
2 attain maximum effectiveness at the lowest possible cost
3 its elasticity and locking characteristics
4 self-tapping and drive screws
5 B
第十三篇 1 A 2 B 3 avoid time-consuming and costly hand lettering 4 B 5 C
第十四篇 1 the characteristics of the motions of the links.
2 A 3 B
4 visualization of spatial mechanism is rather difficult and requires more powerful techniques
5 self-aligning bearings
第十五篇 1 B 2A 3D 4 B 5 C
第十六篇 1 D 2 B 3 B 4 A 5 C