Submarine Guide Vane Propeller is a new device developed by CSSRC to improve powering performance and reduce propeller-radiated noise of submarine.
潜艇前置导叶螺旋桨是CSSRC为提高潜艇快速性和降低螺旋桨噪声而开发的一种新装置。
Requires separate propeller (or cups) and wind vane detectors.
需要单独的螺旋桨（或风杯）检测器；
Many invariable physical features can be obtained with DEMON analysis such as revolution rate of propeller, the propeller vane, and the number of propellers.
通过DEMON分析可以获得诸如舰船螺旋桨转速、螺旋桨叶片甚至舰船的车数等不变的舰船物理特征。
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