中国的海岸警卫队已涉及的记录，占总数的三分之二的案件30。

China's coast guard has been involved in 30 of the cases logged, two-thirds of the total.

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这些包括扩大潜艇舰队和船只采购可以操作远远超出中国的海岸，他说。

Those include an expanding submarine fleet and procurement of ships that can operate far beyond China's shores, he said.

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作为一个有1.8多公里海岸线的大国，中国需要一支强大的海军。

As a large country with more than 18,000 kilometers of coastline, China needs a strong navy.

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