英语词汇“precession”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

pre·ces·sion

(prē-sĕshən)

1. The act or state of preceding; precedence.

2. Physics The motion of the axis of a spinning body, such as the wobble of a spinning top, when there is an external force acting on the axis.

3. Astronomy

a. Precession of the equinoxes.

b. A slow gyration of the earth's rotational axis around the pole of the ecliptic, caused by the gravitational pull of the sun, moon, and other planets on the earth's equatorial bulge.

[Late Latin praecessiō, praecessiōn-, from Latin praecessus, past participle of praecēdere, to go before; see PRECEDE.]

pre·cession·al adj.

单词	precession
释义	pre·ces·sion (prē-sĕshən) n. 1. The act or state of preceding; precedence. 2. Physics The motion of the axis of a spinning body, such as the wobble of a spinning top, when there is an external force acting on the axis. 3. Astronomy a. Precession of the equinoxes. b. A slow gyration of the earth's rotational axis around the pole of the ecliptic, caused by the gravitational pull of the sun, moon, and other planets on the earth's equatorial bulge. [Late Latin praecessiō, praecessiōn-, from Latin praecessus, past participle of praecēdere, to go before; see PRECEDE.] pre·cession·al adj.
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