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。
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。
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