Full
Outline
With the rapid development of the off-road passenger vehicle market and the diversification of user application scenarios, the traditional water-wading performance evaluation method, which relies solely on "maximum wading depth," has become inadequate for comprehensively reflecting users' actual needs. From the perspective of real-world user experience, the paper investigates and analyzes user encounters and core concerns in scenarios such as urban, off-road and emergency water crossings. A multidimensional testing framework is established, encompassing 5 key dimensions: static sealing, dynamic traversal capability, powertrain stability, electronic system reliability and post-wading recovery. Furthermore, an integrated evaluation system combining subjective assessments and objective data is developed. The results demonstrate that this method provides a more comprehensive and scientific evaluation of the water-wading performance of off-road passenger vehicles. It offers valuable references for automotive manufacturers in setting R&D targets and assists consumers in making informed vehicle selection decisions.
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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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