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Mars    音标拼音: [m'ɑrz]
n. 火星,战神

火星,战神

Mars
n 1: a small reddish planet that is the 4th from the sun and is
periodically visible to the naked eye; minerals rich in
iron cover its surface and are responsible for its
characteristic color; "Mars has two satellites" [synonym:
{Mars}, {Red Planet}]
2: (Roman mythology) Roman god of war and agriculture; father of
Romulus and Remus; counterpart of Greek Ares

Mars \Mars\ (m[aum]rz), prop. n. [L. Mars, gen. Martis, archaic
Mavors, gen. Mavortis.]
1. (Rom. Myth.) The god of war and husbandry.
[1913 Webster]

2. (Astron.) One of the planets of the solar system, the
fourth in order from the sun, or the next beyond the
earth, having a diameter of about 4,200 miles, a period of
687 days, and a mean distance of 141,000,000 miles. It is
conspicuous for the redness of its light.
[1913 Webster]

3. (Alchemy) The metallic element iron, the symbol of which
[male] was the same as that of the planet Mars. [Archaic]
--Chaucer.
[1913 Webster]

{Mars brown}, a bright, somewhat yellowish, brown.
[1913 Webster]

90 Moby Thesaurus words for "Mars":
Agdistis, Amor, Aphrodite, Apollo, Apollon, Ares, Artemis, Ate,
Athena, Bacchus, Bellona, Ceres, Cora, Cronus, Cupid, Cybele,
Demeter, Despoina, Diana, Dionysus, Dis, Earth, Enyo, Eros, Gaea,
Gaia, Ge, Great Mother, Hades, Helios, Hephaestus, Hera, Here,
Hermes, Hestia, Hymen, Hyperion, Jove, Juno, Jupiter,
Jupiter Fidius, Jupiter Fulgur, Jupiter Optimus Maximus,
Jupiter Pluvius, Jupiter Tonans, Kore, Kronos, Magna Mater,
Mercury, Minerva, Mithras, Momus, Neptune, Nike, Odin, Olympians,
Olympic gods, Ops, Orcus, Persephassa, Persephone, Phoebus,
Phoebus Apollo, Pluto, Poseidon, Proserpina, Proserpine, Rhea,
Saturn, Tellus, Tiu, Tyr, Uranus, Venus, Vesta, Vulcan, Woden,
Wotan, Zeus, asteroid, inferior planet, major planet, minor planet,
planet, planetoid, secondary planet, solar system, superior planet,
terrestrial planet, wanderer

A legendary tragic failure, the archetypal Hacker Dream Gone
Wrong. Mars was the code name for a family of PDP-10
compatible computers built by Systems Concepts (now, The SC
Group): the multi-processor SC-30M, the small uniprocessor
SC-25M, and the never-built superprocessor SC-40M. These
machines were marvels of engineering design; although not much
slower than the unique {Foonly} F-1, they were physically
smaller and consumed less power than the much slower DEC KS10
or Foonly F-2, F-3, or F-4 machines. They were also
completely compatible with the DEC KL10, and ran all KL10
binaries (including the operating system) with no
modifications at about 2--3 times faster than a KL10.

When DEC cancelled the Jupiter project in 1983, Systems
Concepts should have made a bundle selling their machine into
shops with a lot of software investment in PDP-10s, and in
fact their spring 1984 announcement generated a great deal of
excitement in the PDP-10 world. {TOPS-10} was running on the
Mars by the summer of 1984, and {TOPS-20} by early fall.

Unfortunately, the hackers running Systems Concepts were much
better at designing machines than at mass producing or selling
them; the company allowed itself to be sidetracked by a bout
of perfectionism into continually improving the design, and
lost credibility as delivery dates continued to slip. They
also overpriced the product ridiculously; they believed they
were competing with the KL10 and VAX 8600 and failed to reckon
with the likes of Sun Microsystems and other hungry startups
building workstations with power comparable to the KL10 at a
fraction of the price.

By the time SC shipped the first SC-30M to Stanford in late
1985, most customers had already made the traumatic decision
to abandon the PDP-10, usually for VMS or Unix boxes. Most of
the Mars computers built ended up being purchased by
{CompuServe}.

This tale and the related saga of {Foonly} hold a lesson for
hackers: if you want to play in the {Real World}, you need to
learn Real World moves.

[{Jargon File}]

Mars: n. A legendary tragic failure, the archetypal Hacker Dream Gone Wrong.
Mars was the code name for a family of PDP-10-compatible computers built by
Systems Concepts (now, The SC Group): the multi-processor SC-30M, the small
uniprocessor SC-25, and the never-built superprocessor SC-40. These
machines were marvels of engineering design; although not much slower than
the unique Foonly F-1, they were physically smaller
and consumed less power than the much slower DEC
KS10 or Foonly F-2, F-3, or F-4 machines. They were also completely
compatible with the DEC KL10, and ran all KL10 binaries (including the
operating system) with no modifications at about 2--3 times faster than a
KL10.When DEC cancelled the Jupiter project in 1983 (their followup to the
PDP-10), Systems Concepts should have made a bundle selling their machine
into shops with a lot of software investment in PDP-10s, and in fact their
spring 1984 announcement generated a great deal of excitement in the PDP-10
world. TOPS-10 was running on the Mars by the summer of 1984, and TOPS-20
by early fall. Unfortunately, the hackers running Systems Concepts were
much better at designing machines than at mass producing or selling them;
the company allowed itself to be sidetracked by a bout of perfectionism
into continually improving the design, and lost credibility as delivery
dates continued to slip. They also overpriced the product ridiculously;
they believed they were competing with the KL10 and
VAX 8600 and failed to reckon with the likes of Sun
Microsystems and other hungry startups building workstations with power
comparable to the KL10 at a fraction of the price. By the time SC shipped
the first SC-30M to Stanford in late 1985, most customers had already made
the traumatic decision to abandon the PDP-10, usually for VMS or Unix
boxes. Most of the Mars computers built ended up being purchased by
CompuServe.This tale and the related saga of Foonly hold
a lesson for hackers: if you want to play in the
Real World, you need to learn Real World moves.


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  • Mars - Wikipedia
    In 1971 Mariner 9 entered orbit around Mars, being the first spacecraft to orbit any body other than the Moon, Sun or Earth; following in the same year were the first uncontrolled impact (Mars 2) and first successful landing (Mars 3) on Mars Probes have been active on Mars continuously since 1997
  • Mars: Facts - NASA Science
    Mars — the fourth planet from the Sun — is a dusty, cold, desert world with a very thin atmosphere This dynamic planet has seasons, polar ice caps, extinct volcanoes, canyons, and weather
  • Mars | Facts, Surface, Moons, Temperature, Atmosphere | Britannica
    Mars is the fourth planet in the solar system in order of distance from the Sun and the seventh in size and mass It is a periodically conspicuous reddish object in the night sky There are intriguing clues that billions of years ago Mars was even more Earth-like than today
  • Mars: Facts, news, features and articles about the Red Planet
    Mars is the fourth planet from the sun and has a distinct rusty red appearance and two unusual moons The Red Planet is a cold, desert world within our solar system It has a very thin
  • All About Mars: Facts, Pictures How to See Mars - Star Walk
    In this article, we’ll tell you everything you need to know about Mars and answer the most common questions related to the Red Planet: why Mars is red, how big it is, what it looks like, and when it’s best to observe it
  • Mars, the red planet: Facts and information | National Geographic
    The red planet Mars, named for the Roman god of war, has long been an omen in the night sky And in its own way, the planet’s rusty red surface tells a story of destruction
  • 39 Mars facts, discoveries and images - BBC Sky at Night Magazine
    A guide to the Red Planet, Mars, including facts about its geology, a history of Mars missions and images captured by astrophotographers
  • Mars, the red planet - The Planetary Society
    Scientists are uncovering how Mars transformed into the cold, dry desert world it is today We explore Mars to understand the planet's history and look for evidence of past or even present life Is there life on Mars? This question has intrigued humans for centuries
  • Mars - NASA Science
    Mars is the fourth planet from the Sun, and the seventh largest It’s the only planet we know of inhabited entirely by robots
  • All About Mars | NASA Space Place – NASA Science for Kids
    Mars is sometimes called the Red Planet It's red because of rusty iron in the ground Like Earth, Mars has seasons, polar ice caps, volcanoes, canyons, and weather It has a very thin atmosphere made mostly of carbon dioxide, nitrogen, and argon People would not be able to breathe the air on Mars Explore Mars!





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