该课题的研究也将填补国内船舶火灾自动监测及灭火控制这方面的欠缺，具有很高的理论价值和实际应用意义。
The study on the items will supply a gap about national ship fire automatic monitor and extinguish, and it has high theoretic value and actual application signification.
本文对推进AIS在船舶避碰和船舶交通服务的应用具有一定的理论价值和实际意义。
This paper will have definite theoretical and actual values for improving the application of AIS in collision avoidance and VTS.
然后，应用离散方法将双重积分转化为双重求和，得出了可用于船舶空间磁场工程计算的实际公式，具有实用价值。
Then, double integration is transformed into double sum through discrete methods. And finally, we get the formula in engineering to solve such calculation with great importance in practice.
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