英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字,中文词皆可:

perigee    
n. 近地点

近地点

perigee
近地点

perigee
n 1: periapsis in Earth orbit; the point in its orbit where a
satellite is nearest to the Earth [ant: {apogee}]

Perigee \Per"i*gee\, Perigeum \Per`i*ge"um\, n. [NL. perigeum,
fr. Gr. peri` about, near gh^ the earth: cf. F.
p['e]rig['e]e.] (Astron.)
That point, in the orbit of the moon or other body orbiting
the earth, which is nearest to the earth; -- opposed to
{apogee}. It is sometimes, but rarely, used of the nearest
points of bodies not orbiting the earth, such as of a comet,
a planet, etc. Called also {epigee}, {epigeum}.
[1913 Webster PJC]

77 Moby Thesaurus words for "perigee":
Earth insertion, LEM, LM, abutment, abuttal, adjacency,
adjoiningness, aphelion, apogee, apposition, appulse,
astronomical longitude, attitude-control rocket, autumnal equinox,
ballistic capsule, burn, capsule, celestial equator,
celestial longitude, celestial meridian, circle, colures,
conjugation, conjunction, connection, conterminousness, contiguity,
coterminousness, deep-space ship, docking, docking maneuver,
ecliptic, equator, equinoctial, equinoctial circle,
equinoctial colure, equinox, ferry rocket, fuel ship,
galactic longitude, geocentric longitude, geodetic longitude,
great circle, heliocentric longitude, injection, insertion,
junction, juxtaposition, longitude, lunar excursion module,
lunar module, manned rocket, meridian, module, moon ship,
multistage rocket, orbit, parking orbit, perihelion, period,
reentry, rocket, shuttle rocket, small circle, soft landing,
solstitial colure, space capsule, space docking, space rocket,
spacecraft, spaceship, syzygy, trajectory, union, vernal equinox,
zodiac, zone


请选择你想看的字典辞典:
单词字典翻译
Perigee查看 Perigee 在百度字典中的解释百度英翻中〔查看〕
Perigee查看 Perigee 在Google字典中的解释Google英翻中〔查看〕
Perigee查看 Perigee 在Yahoo字典中的解释Yahoo英翻中〔查看〕





安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Kessel Run | U. S. Air Force
    All jobs listed are Federal civilian positions within the United States Air Force, subject to security clearance and federal regulations All positions are open to U S Citizens only
  • Kessel Run | U. S. Air Force
    EXTREME TEAMING: We must practice extreme teaming because we can’t do this on our own We need the brilliance, strength, and steel of the extended team to make the DAF BATTLE NETWORK effective We need active participation and whole-hearted engagement to move at speed and scale We need the collective genius and penetrating insight from anyone willing to contribute!





中文字典-英文字典  2005-2009