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In order to explore the working principle of legform impactor calibration test, this paper compared in detail the structural differences between advanced Pedestrian Legform Impactor (aPLI) and Flexible Pedestrian Legform Impactor (FlexPLI), summarized the methods for determining of dynamic calibration limits and static calibration limits of legform impactor as the mixed group mean estimation method and the three-point bending deflection test method respectively. The paper also summarized and compared the significant differences between dynamic calibration limits and static calibration limits of the two types of legform impactor, and analyzed the immanent cause for these differences. The main cause for the difference in dynamic calibration limits was the addition of mass module to simulate human upper limbs in aPLI, while the main cause for the difference in static calibration limit was the structural changes in the leg structure and knee structure of aPLI.
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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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