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Record 1,  Textual support,  English

Record number: 1, Textual support number: 1 OBS

The system uses radar to detect and track aircraft within a specified distance of about 9. 3 km. The potential of collision with the obstacle is determined by the aircraft's speed and angle of approach. If there is a risk of collision, the lighting turns on and is followed by an audio warning on the VHF [very high frequency] radio.  1, record 1, English, - aircraft%20detection%20system

Record 1,  Textual support,  French

Record number: 1, Textual support number: 1 CONT

Ce système de détection des aéronefs repose sur l’utilisation du radar pour détecter et suivre les aéronefs dans un rayon d’environ 9,3 km. En fonction de la vitesse et de l’angle d’approche de l’aéronef, le système détermine s’il y a risquede collision avec l’obstacle. Le cas échéant, les feux s’allument puis un avertissement sonore est émis par l’intermédiaire de la radio VHF [très haute fréquence].  1, record 1, French, - syst%C3%A8me%20de%20d%C3%A9tection%20des%20a%C3%A9ronefs

Record 1,  Textual support,  Spanish

Record 2,  Textual support,  English

Record number: 2, Textual support number: 1 DEF

The circular shape of some types of particle accelerators.  2, record 2, English, - ring

Record number: 2, Textual support number: 1 CONT

The SSC(superconducting supercollider) is an atom smasher that includes a 52-mile ring equipped with superconducting magnets that send particles on a high speed collision course.  3, record 2, English, - ring

Record 2,  Textual support,  French

Record number: 2, Textual support number: 1 DEF

Forme circulaire empruntée par certains types d'accélérateurs de particules.  2, record 2, French, - anneau

Record number: 2, Textual support number: 1 CONT

Le synchrotron est un accélérateur de particules chargées, de forme circulaire, à fonctionnement pulsé et généralement à champ variable et à orbite stationnaire. L'anneau se compose essentiellement [...] de la chambre à vide (de forme toroïdale) de circulation des particules, baignant dans des champs magnétiques de guidage et de focalisation.  1, record 2, French, - anneau

Record 2,  Textual support,  Spanish

Record 3,  Textual support,  English

Record number: 3, Textual support number: 1 DEF

A high speed device concept that relies on electrons traveling not within a layer but across its thickness. The switching speed of a transistor is limited by the time needed for an electron to traverse the device's middle terminal-the gate in a FET, the base in a bipolar device. Electrons lose speed as they travel because they bump into atoms and each other. By making the path short enough, the electron will sail from one side to the other like a projectile without a single collision. Such ballistic transport was first demonstrated last year at IBM's Thomas J. Watson Research Labs(Yorktown Heights, N. Y.).  1, record 3, English, - ballistic%20transistor

Record 3,  Textual support,  French

Record 3,  Textual support,  Spanish