| 单词 | lagrangian point |
| 释义 | > as lemmasLagrangian point Lagrangian point n. Astronomy each of the five points in the orbital plane of two bodies at which a third body of negligible mass will remain stationary relative to them. ΘΚΠ the world > the universe > heavenly body > movement of heavenly bodies > [noun] > movement in orbit > orbit > parts of orbit aphelion1656 perihelion1666 vector1704 elongation1708 orb1733 periaster1851 orbitale1901 Lagrangian point1962 1962 Struve & Zebergs Astron. 20th Cent. ii. 46 Particles of very small mass..which tend to linger near the Lagrangian point that lies about 70,000 mi. beyond the apex of the earth's shadow. 1975 Physics Bull. Nov. 485/2 Gravity vanishes at all Lagrangian points. 1985 Sci. Amer. Sept. 43/1 An excellent position for a satellite equipped to measure the small-scale distribution of velocities over the surface of the sun would be an orbit around the inner Lagrangian point, a point of gravitational equilibrium between the earth and the sun. < as lemmas |
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