Besides, the bubble density and reflectance increased with the wake observation position approaching the target ship.

同时，随着观测点在尾迹中的位置距目标船的接近，气泡密度不断增大，反射率也随之增强。

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The effective long-range surface observation system should be set up to improve the combat capability and survival capability of surface ship formation.

为提高水面舰艇编队的作战能力和生存能力，应建立有效的远程对海观察体系。

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Based on the prototype observation data of the high - speed double volume ship in Pearl River channel the ship wave characteristics are analysed in this paper.

应用珠江三角洲部分航道中高速双体客船船行波现场观测资料，分析船行波波态和特性。

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The USNS Observation Island, a ship that uses telemetry to monitor objects in space, will collect information on the satellite both before and after the missile launch.

CNN: Attempt to shoot down spy satellite to cost up to $60 million