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With the structural characteristics of the passenger car side wall door opening as the research object to conduct compact design research, this paper elaborated systematically the principle, method and technical solution of the compact design. The hard point and section model of the door opening structure were obtained through structural disassembly. The hard point driven section was used for design, and the compact coefficient was defined and a parametric design table was established. The feasibility of battery layout and its impact on the door opening design were considered, to maximize the man-machine space within the limited vehicle size range as far as possible, improve the convenience of getting on and off the vehicle, and comprehensively consider multi-dimensional elements such as modeling, collision safety, lightweight, etc. Finally, the validity and feasibility of the design method were verified by analysis.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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