请输入您要查询的英文单词:
单词
julian day
释义
WordReference Random House Unabridged Dictionary of American English © 2024
Jul
′
ian Day
′
,
[
Astron.
]
a serial number equal to the number of days elapsed since January 1, 4713
b.c.,
proposed by Joseph Scaliger in 1582 and used in astronomical calculations:
January 1, 1965, at noon, Greenwich Civil Time, was Julian Day 2,438,762.0. Abbr.:
J.D.
随便看
dow metal
down
down and dirty
down-and-dirty
down-and-out
down-at-heel
downbeat
down-bow
downburst
down card
downcast
downcastly
downcastness
downcome
downcomer
downcourt
downcurved
downcycle
downdraft
down east
down-easter
downer
downers grove
downey
downfall
英语词典包含188688条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。
Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/11/20 9:26:57