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。
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；
It is composed of propeller and guide vane, the latter is installed at an appropriate position between stern appendages and propeller.
它由螺旋桨和安装在尾附体与螺旋桨之间一适当位置上的导叶组成。
Among commonly used types are those employing either a propeller or cups for measuring wind speed and a vane for measuring wind direction.
普通使用的型式是测量风速的叶扇或风杯及测量风向的风标。
The telescopic propeller-type stirrer adopts a telescopic stirring vane, and leads the size of the stirring vane not to be limited by the size of the opening of a reaction vessel.
本实用新型采用可伸缩搅拌叶片，使搅拌叶片的大小不受反应容器口大小的限制。
The telescopic propeller-type stirrer adopts a telescopic stirring vane, and leads the size of the stirring vane not to be limited by the size of the opening of a reaction vessel.
本实用新型采用可伸缩搅拌叶片，使搅拌叶片的大小不受反应容器口大小的限制。
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