Military technology: Small, slow but much less costly, propeller-driven planes are starting to displace fancy fighter jets, for a variety of reasons.
军事技术：出于各种原因，小型、低速，但花费要少得多的螺旋桨飞机开始取代昂贵的喷气式战斗机。
THE small propeller-driven plane piloted by Peter Szapary, an Austrian count turned Kenyan flower farmer, banked and flew low over the Rift Valley town of Naivasha.
彼特•斯扎帕里（Peter Szapary）是一位成为肯尼亚花农的奥地利伯爵，他驾驶着自己那架小型的螺旋桨驱使的飞机在东非大裂谷的内瓦沙镇的上空倾斜而过并保持着低空飞行。
It is of great military significance to identify propeller-driven aircraft using the active service radar.
用现役雷达识别螺旋桨飞机具有重要的军事意义。
As an example, the order of magnetic anomaly induced by the wake of propeller-driven body has been estimated.
作为例子，对水下旋成体尾流引起磁异常的大小进行了量级估计。
The optical force and torque of a micro-propeller-shaped rotor driven by TEM00Gaussian laser beam are calculated with a geometric-optics model.
在几何光学模型近似下，对用TEM 00高斯激光束驱动微型螺旋桨结构的光驱动力和力矩进行了理论计算。
The booster for swimming is characterized in that the propeller is driven to rotate by utilizing pedaling force of legs and feet. Thus, the great thrust is generated.
这个游泳助推器就是用腿、脚的蹬力带动螺旋桨旋转，产生较大的推力。
According to the controlling requirement of megawatt wind driven generator with variable propeller pitch of horizon axis, the hydraulic control system of a variable propeller pitch is designed.
针对兆瓦级水平轴变桨距风力发电机的控制要求，设计了变桨距液压控制系统。
According to the controlling requirement of megawatt wind driven generator with variable propeller pitch of horizon axis, the hydraulic control system of a variable propeller pitch is designed.
针对兆瓦级水平轴变桨距风力发电机的控制要求，设计了变桨距液压控制系统。
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