DB15 T 3764-2024 草地碳储量调查与核算技术规程.pdf

相关资源

DB62 T 689-2000 临夏牡丹栽培技术规程.pdf

DB62 T 820-2002 定西地区无公害农产品 专用型马铃薯生产技术规程.pdf

DB62 T 836-2002 兰州市无公害蔬菜生产技术规程 番茄.pdf

DB62 T 837-2002 兰州市无公害蔬菜生产技术规程 辣椒.pdf

DB62 T 838-2002 兰州市无公害蔬菜生产技术规程 黄瓜.pdf

DB62 T 637-1999 桑蚕纸板方格簇上簇技术规程.pdf

DB62 T 638-1999 桑蚕丝茧育防病消毒技术规程.pdf

DB62 T 996-2003 白银市A及绿色食品生产技术规程 双孢菇.pdf

JT T 1037-2016 公路桥梁结构安全监测系统技术规程.pdf

LY T 1328-2015 油茶栽培技术规程.pdf

猜你喜欢

NASA NACA-RM-A7K24-1948 Wind-tunnel investigation of horizontal tails I - unswept and 35 degrees swept-back plan forms of aspect ratio 3《水平尾翼的风洞研究 I 展弦比为3的非后掠翼且后掠角为35的平面图》.pdf

NASA NACA-RM-A7K28-1948 High-speed stability and control characteristics of a fighter airplane model with a swept-back wing and tail《带有后掠翼和尾翼的战斗机模型的高速稳定性和控制特性》.pdf

NASA NACA-RM-A7L02-1948 A summary and analysis of wind-tunnel data on the lift and hinge-moment characteristics of control surfaces up to a Mach number of 0 90《在马赫数为0 90时 操纵面的升力和铰链.pdf

NASA NACA-RM-A7L11-1948 Low-speed investigation of a small triangular wing of aspect ratio 2 0 II flaps on flat-plate models《展弦比为2 0的小型三角形机翼的低速研究 II 平坦飞机模型的襟翼》.pdf

NASA NACA-RM-A7L16-1948 A WIND-TUNNEL INVESTIGATION AT LOW SPEED OF VARIOUS LATERAL CONTROLS ON A 45 SWEPT-BACK WING《在各种横向控制低速下45后掠翼的风洞研究》.pdf

NASA NACA-RM-A8A20-1948 An investigation of submerged air inlets on a 1 4-scale model of a typical fighter-type airplane《嵌入式进气道在典型战斗机的1 4比例模型上的研究》.pdf

NASA NACA-RM-A8B11-1948 Wind-tunnel investigation of horizontal tails II - unswept and 35 degrees swept-back plan forms of aspect ratio 4 5《水平尾翼的风洞研究 II 展弦比为4 5的非后掠翼且后掠角为35的平面图》.pdf

NASA NACA-RM-A8C03-1948 Low-speed investigation of a small triangular wing of aspect ratio 2 0 III - static stability with twin vertical fins《展弦比为2 0的小型三角形机翼的低速研究 III 双垂尾的静态稳定性》.pdf

NASA NACA-RM-A8D02-1949 Aerodynamic study of a wing-fuselage combination employing a wing swept back 63 degrees - investigation of a large-scale model at low speed《采用63后掠翼机翼和机身组合的空.pdf