立方直升机的这种配置让他可以像直升机一样盘旋,但在向前飞行时,主旋翼的转速可以将下来,让两侧的机翼提供升力,在此情况下,两台螺旋桨推进器就能发挥大作用了。
This means it can hover like a helicopter, but when flying forwards can reduce the speed of the main rotor and let the wings provide part of the lift. Its propellers give the extra oomph.
比如,当飞机的螺旋桨疾驰过云层时,会给云一个向后的作用力。
When a plane's propeller, for example, spins through a cloud, the propeller exerts a rearward force.
该船的主机为单作用,二冲程,带涡轮增压器的十字头柴油发动机,并且螺旋桨为定距桨。
The vessel to be propelled by a single-acting two stroke supercharged cross head Diesel engine, acting to a fixed pitch propeller .
本文扼要地介绍了高速船螺旋桨设计中碰到的螺旋桨选型问题、相互作用系数选取问题以及某些图谱和经验公式的应用。
This paper concisely describes the selection of propeller type and interaction coefficients for high speed, and gives the application of some diagrams and empirical formulas.
由螺旋桨引起的互作用噪声构成了船舶中高速航行时整个辐射噪声的重要部分。
The interaction noise induced by propeller has constituted the main part of the noise radiated from the medium-speed or high-speed marines.
某舰的螺旋桨尾轴长期处在恒定载荷作用下,虽然尾轴应力在弹性极限范围内,但是尾轴局部还是很容易发生微量的塑性变形。
Tiny deformation will appear in the local of the propeller shaft of certain ship which is endured an invariableness load, although the shaft stress is within the elastic limit range.
反向旋转双螺旋桨搅拌器迅速的搅拌作用和各种转速能快速使蒸汽和奶酪颗粒融合。
The blending action and variable RPM of the counter-rotating twin agitators quickly "fuse" the steam and cheese particles together.
通过试验分析了螺旋桨子回波的调制作用,并研究了螺旋桨子回波的影响大小,分析了影响大小与各种因素的关系。
Trough experiments the modulation effect of propeller echoes, its influence, the relationship between its influence and other factors are analyzed.
因此,游泳者的划手的效果是和飞机的螺旋桨的作用相似,这个结论是基于对那些卓越的奥运高手们的泳姿进行综合研究之后所得出的。
Therefore, the swimmers arm stroke becomes similar to an airplane's propeller. Studies of Olympic caliber swimmers show that this is indeed the case.
因此,游泳者的划手的效果是和飞机的螺旋桨的作用相似,这个结论是基于对那些卓越的奥运高手们的泳姿进行综合研究之后所得出的。
Therefore, the swimmers arm stroke becomes similar to an airplane's propeller. Studies of Olympic caliber swimmers show that this is indeed the case.
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