Ship safety inspection is one of the supervisory action taken by Maritime Safety Administration, Which is restricted by the rule of "collecting evidence before taking administration".

船舶安全检查是海事管理机构所采取的一种监督检查行为，受“行政有证在先原则”的约束。

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Then, on the basis of collecting and analyzing large data in ship tracking field, this paper concludes a model that is suitable for the engineering application.

然后，在收集大量国内外文献资料的前提下，综合各种相关算法，设计出一种适合工程应用的船舶跟踪技术。

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Remember: Anyone could set up a site for the purpose of collecting credit card numbers and not ship anything.

BBC: Is e-shopping safe?