NASA

Dr. William H. Pickering, (center) JPL Director, President John F. Kennedy, (right). NASA Administrator James E. Webb (background) discussing the Mariner program, with a model presented.

At launch control for the May 28, 1964, Saturn I SA-6 launch. Wernher von Braun is at center.

The National Aeronautics and Space Administration (NASA) is the agency of the United States Federal Government responsible for the civilian space program as well as aeronautics and aerospace research.

President Dwight D. Eisenhower established NASA in 1958 with a distinctly civilian (rather than military) orientation encouraging peaceful applications in space science. The National Aeronautics and Space Act was passed on July 29, 1958, disestablishing NASA's predecessor, the National Advisory Committee for Aeronautics (NACA). The new agency became operational on October 1, 1958.

单词	Nasa.gov
释义	Nasa.gov 英语百科 NASA The National Aeronautics and Space Administration (NASA) is the agency of the United States Federal Government responsible for the civilian space program as well as aeronautics and aerospace research. President Dwight D. Eisenhower established NASA in 1958 with a distinctly civilian (rather than military) orientation encouraging peaceful applications in space science. The National Aeronautics and Space Act was passed on July 29, 1958, disestablishing NASA's predecessor, the National Advisory Committee for Aeronautics (NACA). The new agency became operational on October 1, 1958.
随便看	feeding unit materials to conveyers by arranging的意思 feeding unit materials to conveyers by arranging the position的意思 feeding unit materials to conveyers by means of chain的意思 feeding unit materials to conveyers by means of disc的意思 feeding unit materials to conveyers by orientating的意思 feeding unit materials to conveyers through passages的意思 feeding unit materials to conveyors的意思 feeding unit materials to feeding of unit materialss的意思 feeding up的意思 feeding upon的意思 Feeding utensils的意思 feeding value的意思 feeding valve的意思 feeding valve supply of unit material to conveyers的意思 feeding vent的意思 feeding voltage的意思 feeding water的意思 feeding web的意思 feeding with fodder concentrate的意思 feeding with metal的意思 feeding worm的意思 feeding yeast的意思 feeding zone的意思 feed inject的意思 feed injector的意思

Nasa.gov

NASA