In order to provide new proof for accident reconstruction, the method of occupant kinematics reconstruction using the coupling of momentum-based method and multi-body dynamics method was studied.
为了向交通事故再现提供新的依据，研究了动量冲量法与多体动力学法结合的乘员运动仿真，提出了两类算法的耦合方法。
During short term, as the relationship between safety proof level and output, enterprise safety-working situation is related with coal price, variable cost, accident compensate and regulation level.
短期内，由于企业预防水平与产量的相关性，企业的安全生产状况将和煤炭价格、企业的各种变动成本、事故赔偿标准以及安全监管水平有关。
A green card can serve as easily recognizable proof of third party insurance, for example in the case of an accident, when traveling abroad.
比如发生了事故或在国外旅游，绿卡可以做为第三方保险的证据，很容易识别。
Analysing the accident examples in this paper shows that earth connection is necessary and some earthed methods exist limitations for fire-proof and explosion-proof.
本文通过对事故实例的分析，指出接地的必要性和几种接地方式在防火、防爆方面的局限性。
Process of the accident and its proof;
意外事故经过及证明；
If the accident happened during trip, please pay attention to collect the relevant proof or documents from relevant authorities, such as the proof issued by the police or management department.
旅途中若发生意外事故，请注意向有关部门索要相关证明。例如当地警方或有关当局出具的事故证明、公共交通工具承运机构出具的书面延误证明、并注意保留相关费用票据。
If the inspection is expired, it is required to provide motor vehicle safety inspection certificate and compulsory Motor Vehicle Traffic Accident insurance certificate (original proof);
属于超过检验有效期的机动车，还应提交机动车安全技术检验合格证明和交通事故责任强制保险凭证。
If the inspection is expired, it is required to provide motor vehicle safety inspection certificate and compulsory Motor Vehicle Traffic Accident insurance certificate (original proof);
属于超过检验有效期的机动车，还应提交机动车安全技术检验合格证明和交通事故责任强制保险凭证。
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