...我吸在6____ Came to happy xiangjiang Safari Park » 快乐香江动物园要来了 lmproves the protection of ship » 提高船舶的保护 ..
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其主要功能是改善海上交通环境，从而保障船舶航行的安全、提高航运效率、保护海洋环境。
The main function of I-VTS is to improve ocean traffic circumstance so as to guarantee the safety of vessel navigation, increase shipping efficiency and protect the ocean environment.
随着船舶供电网络结构复杂程度和选择性保护要求的提高，将纵差动保护应用于船舶电力系统有着越来越大的实际意义。
With the improvement of Marine power supply network and high requirement of the selective protection, longitudinal differential protection has more practical meaning in Marine power system.
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