[ 复数 helicopters 第三人称单数 helicopters 现在分词 helicoptering 过去式 helicoptered 过去分词 helicoptered ]
...内的有源噪声控制系统 关键词：直升机；有源噪声控制；自适应滤波；数字信号处理器；FxLMS算法 [gap=706]Key words：helicopters；active noise control；adaptive filtering；DSP；FxLMS algorithm ...
基于6529个网页-相关网页
...对许多人来说，经跑道滑行后起飞的飞机(aeroplane，airplane)和不用在跑道上滑行就可飞起来的“直升飞机”(helicopter)是比较熟悉的东西。然而也有不少人把“直升飞机”叫作“直升机”，这是怎么回事？
基于3613个网页-相关网页
Bell Helicopter 贝尔直升机公司
attack helicopter 攻击直升机
helicopter rotor 直升机旋翼
helicopter carrier 直升机航空母舰
rescue helicopter 救援直升机 ; 救生直升飞机 ; 急救直升机
helicopter parents 直升机父母 ; 直升机家长
First, the project of four-rotor helicopter has been decided.
首先,确定了四旋翼直升机的设计方案。
参考来源 - 四旋翼直升机控制问题研究Lastly, Simulation model of helicopter based on SVM was studed.
最后,对利用SVM建立直升机的仿真模型进行了研究。
参考来源 - 支持向量机方法及其应用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
同义词： chopper whirlybird eggbeater
以上来源于: WordNet
N-COUNT A helicopter is an aircraft with long blades on top that go around very fast. It is able to stay still in the air and to move straight upward or downward. 直升机
The helicopter rose into the air.
直升机升上了天空。
The helicopter crashed to earth nearby.
直升机坠毁在附近的地面上。
They were eventually rescued by helicopter.
他们最后被直升机救走了。
Within minutes, a helicopter lifted him from the spacecraft and carried him to a waiting ship.
VOA: special.2009.06.17
In April,the site posted video of an American helicopter strike in Iraq in two thousand seven.
VOA: special.2010.07.31
As the weekend went on, the miracles kept coming the kindness of the scattered police, the 'food-drop' by an Army helicopter, and flowers from the sky.
VOA: special.2009.08.10
应用推荐