英文字典中文字典Word104.com



中文字典辭典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z   


安裝中文字典英文字典辭典工具!

安裝中文字典英文字典辭典工具!








  • Satellites - National Air and Space Museum
    A satellite is an object that is in orbit around an object in space of a larger size Things such as the Earth's Moon or Pluto's Charon are natural satellites Humans have also created artificial satellites—human-made machines and spacecraft in orbit around our Earth or other objects in our galaxy These types of satellites have fundamentally changed humanity—such as connecting us with
  • Cest quoi un satellite ? | Espace des sciences
    C'est quoi un satellite ? GRANDES QUESTIONS C'est un objet qui tourne autour d'une planète Il peut tourner autour de la Terre … ou d'une autre planète ! La Lune est le seul satellite naturel de notre planète Terre Mais par exemple, Mars en possède 2 et Jupiter plus de 60 !
  • What Can You Really See From Space? - National Air and Space Museum
    Most people know that satellites in orbit do useful things such as collect images of the Earth's surface At the National Air and Space Museum I use satellite images in my job to understand changes in the Earth's land surface
  • Le lancement de Spoutnik | Espace des sciences
    Le 4 octobre 1957 marquait le lancement du satellite Spoutnik Cinquante ans après, l'équipe du planétarium fête l'événement durant quatre séances 50 ans de l'histoire de la conquête spatiale Spoutnik signifie « compagnon de voyage » en russe
  • Explorer - National Air and Space Museum
    Explorer-1 was the United States' first successful orbiting satellite Following the failure of Vanguard in December 1957, the JPL- ABMA group was permitted to adapt the Jupiter-C reentry test vehicle to carry an instrumented satellite into earth orbit The resulting Explorer-1 satellite was successfully launched and placed into Earth orbit on January 31, 1958 Explorer-1, also known
  • What Makes a Moon a Moon? | National Air and Space Museum
    A moon is a planetary body that goes around another planetary body Usually, this is one or more moons going around a planet, but it doesn’t have to be a planet In Star Wars, the Death Star is not a moon because it isn’t a naturally occurring satellite: the International Space Station, the Juno spacecraft orbiting Jupiter, or any of the telecommunications satellites we rely on in low
  • Satellite | Espace des sciences
    Quand nous regardons la Lune, elle nous présente toujours la même face Grâce aux sondes lunaires, on a pu avoir des images de la face cachée de notre satellite naturel Cette face est beaucoup plus cratérisée que celle visible depuis la Terre C'est comme si la Lune nous avait protégé de la chute de nombreux astéroïdes et météorites qui, sans elle, auraient normalement percuté
  • Communications Satellite, Iridium - National Air and Space Museum
    This satellite is the heart of a space-based communications system called Iridium Conceived, designed, and built by Motorola, the Iridium system provides wireless, mobile communications through a network of 66 satellites in polar, low-Earth orbits Inaugurated in November 1998, under the auspices of Iridium LLC, this complex space system allowed callers using hand-held mobile phones and


















中文字典-英文字典  2005-2009

|中文姓名英譯,姓名翻譯 |简体中文英文字典