用现役雷达识别螺旋桨飞机具有重要的军事意义。
It is of great military significance to identify propeller-driven aircraft using the active service radar.
螺旋桨轴频是被动声纳极其重要的目标识别特征之一。
The propeller shaft frequency is one of the important target recognition features for passive sonar.
研究人员们也识别了一种表现出明显食油性、不耗氧的海洋螺旋菌之中前所未知的生物系。
The researchers also identified a previously-unknown strain of ostensibly oil-gobbling Oceanospirillum that doesn't consume oxygen.
应用微分几何理论，给出了圆锥螺旋铣刀几何特性，据此导出了三维非线性铣削力模型，继而采用非线性规划识别切削力系数。
This paper sets up an instantaneous cutting force model for a spiral cylinder cutter by analyzing the linear relationship between micro-unit milling force and instantaneous uncut chip thickness.
针对螺旋桨叶片数识别问题，建立了螺旋桨空化噪声信号模型。
In order to solve the problem of propelle blade-number recognition, the propelle radiated-noise model is built on the basis of five hypotheses.
针对螺旋桨叶片数识别问题，建立了螺旋桨空化噪声信号模型。
In order to solve the problem of propelle blade-number recognition, the propelle radiated-noise model is built on the basis of five hypotheses.
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