However, those research was based on single target ship and there was little research on multi-ship radar plotting assessment system.
但目前的研究大部分是基于单物标船的研究，对于多物标雷达标绘评估系统的研究还很少涉及。
The harness level and quality assessment of environmental system should be comprehensive and multi-objective.
对环境系统的治理水平和质量的评价，应是综合性的多目标评价。
Fourth, establishing multi-assessment system.
第四、建立多元化评价体系。
Environmental impact assessment of water resources project is a multi-index hierarchy complex, of which the key problem is how to quantify with reason the weights of each index of the system.
水资源工程环境影响评价是由众多指标组成层次结构的复杂系统，其关键问题是如何合理确定各评价指标的权重。
Hence, the paper principally discusses multi-modeling framework for complex system simulation, principles and methods for simulation experiment design and simulation assessment methods.
结合上述过程，本文重点讨论了面向复杂系统仿真的多方法建模框架、仿真实验设计的原则与方法和仿真评估分析优化方法。
The degree of the disaster losses needs to be reflected by some proper indexes, so it is necessary to establish a multi-index assessment system.
所以，泥石流灾害损失评价是一项复杂的工作。灾害损失的严重程度需要通过适当的指标来反映。
The degree of the disaster losses needs to be reflected by some proper indexes, so it is necessary to establish a multi-index assessment system.
所以，泥石流灾害损失评价是一项复杂的工作。灾害损失的严重程度需要通过适当的指标来反映。
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