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Parachute - Wikipedia In 1907 Charles Broadwick demonstrated two key advances in the parachute he used to jump from hot air balloons at fairs: he folded his parachute into a backpack, and the parachute was pulled from the pack by a static line attached to the balloon
PARACHUTE 释义 | 柯林斯英语词典 - Collins Online Dictionary A parachute is a device which enables a person to jump from an aircraft and float safely to the ground It consists of a large piece of thin cloth attached to your body by strings
parachute summary | Britannica parachute, Umbrella-like device for slowing the descent of a body falling through the atmosphere Separate panels sewn together form a canopy attached by suspension lines to a harness worn by the user
Parachute - New World Encyclopedia The parachute slows its load sufficiently to prevent or minimize injury on impact with the ground Parachute design has changed considerably over the years, from roughly cut shapes to aerodynamic "ram-air" parafoils Many modern parachutes are quite maneuverable and can facilitate controlled descent similar to that of a glider
PARACHUTE在剑桥英语词典中的解释及翻译 The fibrous ring may be an isolated lesion, but more frequently is associated with a parachute or hammock valve
翼装飞行运动 - 维基百科,自由的百科全书 依据《跳伞员信息手册》(Skydivers' Information Manual), 美国降落伞协会 (United States Parachute Association, USPA)要求凡任何一位跳伞运动员在第一次进行翼装的滑翔若不是要拥有于18个月内最起码需完成的200次自由落体跳伞以及接受经验丰富的翼装跳伞运动员一对一
Parachute | Aeronautical Safety Device | Britannica Parachute, device that slows the vertical descent of a body falling through the atmosphere or the velocity of a body moving horizontally The parachute increases the body’s surface area, and this increased air resistance slows the body in motion