Those contractors perform a wide range of tasks, among them assessing security risks, analyzing intelligence and providing "risk mitigation" services in foreign countries.
情报外包工作人员执行多种任务，包括安全风险评估、情报分析工作以及向外国提供“风险缓解”服务。
2
This paper derives the best range of thickness of the materials by analyzing the main factors influencing the sound absorption properties of porous metal materials.
通过分析影响多孔金属材料吸声性能的主要因素，推导出材料的最佳厚度范围；
3
On the bases of analyzing triangle wave form modulated LFM, the method of using DDR (Dual Channel Directional Doppler range) technique to eliminate the influence of speed to range is presented.