NASA-TR-3082-1979 Rotary-wing aerodynamics - Volume 1 Basic theories of rotor aerodynamics with application to helicopters《旋转机翼的空气动力学 第1卷 适用于直升机的旋翼空气动力学基本理论》.pdf

相关资源

IRS 70778-2-2018 Recommendations for determining the carrying capacity and fatigue risks of existing metallic railway bridges.pdf

IRS 70712-2018 Rail defects.pdf

IRS 50596-6-2018 Conditions for coding intermodal loading units in combined transport combined transport lines and wagons.pdf

IRS 50596-5-2018 Transport of road vehicles on wagons-Technical Organisation-Conveyance of semi-trailers with P coding or N coding on recess wagons.pdf

IESNA TM-23-2017 Lighting Control Protocols.pdf

IESNA RP-2-2017 Recommended Practice for Retail Lighting.pdf

ITU-R RAPPORT M 766-2 FRENCH-1990 Feasibility of frequency sharing between the GPS and other services《全球定位系统和其他服务之间的频率共享的可行性》.pdf

ITU-R RAPPORT M 763-3 FRENCH-1990 Signal level variation due to multipath effects and blockage by ship-s superstructure in maritime mobile-satellite service lin.pdf

ITU-R RAPPORT M 739-1 FRENCH-1986 Interference due to intermodulation products in the land mobile service between 25 and 100 MHz《由于互调产物在陆地移动服务25和100 MHz之间产生的干扰》.pdf

ITU-R RAPPORT M 319-7 FRENCH-1990 Characteristics of equipment and principles governing the assignment of frequency channels between 25 and 100 MHz for land mob.pdf

猜你喜欢

JUS U C4 052-1990 Caaages of direction in the borizontal plane Traosition curve Horizontal cur~ es Compound curves《水平方向变化 过渡曲线 水平曲线 复合曲线》.pdf

JUS U C4 080-1994 Designing of roads - Speedy design - Chart of speed《道路设计 速度曲线表》.pdf

JUS U C4 100-1992 Designing of roads - Changes of direction in the horizontal plane《道路设计 水平板的方向改变》.pdf

JUS U C4 102-1994 Designing of roads - Plans with contour lines - Cross-sections《道路设计 横断面》.pdf

JUS U C4 105-1992 Designing of roads - Changes of direction in the horizontal plane - Cross-section《道路设计 水平方向变化 横断面》.pdf

JUS U C4 110-1994 Designing of roads - Elements of longitudinal section《道路设计 纵断面元件》.pdf

JUS U C4 123-1994 Designing of roads - Cross-section-Gradients《道路设计 横断面》.pdf

JUS U C4 138-1994 Designing of roads - Changes of direction in the vertical plane for slow lorrys《道路设计 水平方向变化》.pdf

JUS U C4 139-1991 Designing of roads - Cbangns of dirnct ion in tho vertical plane for slou lorrys《道路设计 方向变化 垂直方向变化》.pdf