Chinese often send coast guard ships throughout the waterway.

中国人经常派海警船只穿越水道。

And China recently sailed three of its coast guard ships near the islands.

中国最近在这些岛屿附近航行了三艘海警船。

Under the military, coast guard ships will be armed with more powerful cannons.

在军方的领导下，海岸警卫队的船只将配备更强大的大炮。

It also sails coast guard ships through the areas China says it controls.

它还让海岸警卫队船只驶过中国声称控制的地区。

A Malaysian coast guard ship, according to the Asia Maritime Transparency Initiative, tracked the boats.

根据亚洲海事透明度倡议，一艘马来西亚海岸警卫队船只追踪了这些船只。