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。
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