sistema aplanático

sistema aplanático

A system of three lenses which, taken together, correct for spherical aberration, chromatic aberration, and coma.

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行业/领域：天文学
类别普通天文学
Company: Caltech
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sistema

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A term referring to the lamp and ballast combination, and sometimes to the entire lighting delivery system including the fixture, the optics, the particular layout and the ...

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Una serie de partes interrelacionadas en donde un cambio en una parte produce cambios en todas las partes.

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A set of items or devices working together to accomplish a task.

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数学; 代数

Un conjunto de ecuaciones que tienen las mismas variables.

sistema

化学; 普通化学

En termodinámica, el sistema es la parte del universo que es de interés.

Sistema de Procesado de imágenes astronómicas

天文学; 普通天文学

Developed by the National Radio Astronomy Observatory.

órbita

天文学; 普通天文学

The path of one object about another (used here for an object orbiting the sun).

meteoros

天文学; 普通天文学

Small rocky and/or icy particles that are swept up by the earth in its orbit about the sun. Also called "shooting stars", they travel across the sky in a very short time, from ...

equinoccio

天文学; 普通天文学

Either of the two points (vernal, autumnal) on the celestial sphere where the ecliptic (which is the apparent path of the sun on the sky) intersects the celestial equator. Due to ...

cometa

天文学; 普通天文学

A celestial body orbiting the sun (though some may be ejected from the solar system by planetary perturbations) that displays (at least during a portion of its orbit) some ...

cenit

天文学; 普通天文学

The point directly overhead in the sky.

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chicharrón

Chicharrón is the deep-fried, salted and crunchy pork rind. It is a typical Dominican snack (or picadera as they would call it) and you can easily buy ...