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Darwin    音标拼音: [d'ɑrwɪn]
n. 达尔文

达尔文

Darwin
n 1: English natural scientist who formulated a theory of
evolution by natural selection (1809-1882) [synonym: {Darwin},
{Charles Darwin}, {Charles Robert Darwin}]
2: provincial capital of the Northern Territory of Australia

1. An {operating system} based on the
{FreeBSD} version of {Unix}, running on top of a {microkernel}
({Mach} 3.0 with darwin 1.02) that offers advanced networking,
services such as the {Apache} {web server}, and support for
both {Macintosh} and Unix {file systems}. Darwin was
originally released in March 1999. It currently runs on
{PowerPC} based Macintosh computers, and, in October 2000, was
being ported to {Intel} processor-based computers and
compatible systems by the Darwin community.

2. A general purpose structuring tool of
use in building complex {distributed systems} from diverse
components and diverse component interaction mechanisms.
Darwin is being developed by the Distributed Software
Engineering Section of the Department of Computing at
{Imperial College}. It is in essence a {declarative} binding
language which can be used to define hierarchic compositions
of interconnected components. Distribution is dealt with
orthogonally to system structuring. The language allows the
specification of both static structures and dynamic structures
which evolve during execution. The central abstractions
managed by Darwin are components and services. Bindings are
formed by manipulating references to services.

The {operational semantics} of Darwin is described in terms of
the {Pi-calculus}, {Milner}'s calculus of mobile processes.
The correspondence between the treatment of names in the
Pi-calculus and the management of service references in Darwin
leads to an elegant and concise Pi-calculus model of Darwin's
{operational semantics}. The model has proved useful in
arguing the correctness of Darwin implementations and in
designing extensions to Darwin and reasoning about their
behaviour.

{Distributed Software Engineering Section
(http://www-dse.doc.ic.ac.uk/)}. {Darwin publications
(http://scorch.doc.ic.ac.uk/dse-papers/darwin/)}.

E-mail: Jeff Magee , Naranker Dulay
.

3. {Core War}.

(2003-08-08)

Darwin, CA -- U.S. Census Designated Place in California
Population (2000): 54
Housing Units (2000): 54
Land area (2000): 1.375511 sq. miles (3.562558 sq. km)
Water area (2000): 0.000000 sq. miles (0.000000 sq. km)
Total area (2000): 1.375511 sq. miles (3.562558 sq. km)
FIPS code: 18030
Located within: California (CA), FIPS 06
Location: 36.268417 N, 117.591970 W
ZIP Codes (1990):
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords:
Darwin, CA
Darwin


Darwin, MN -- U.S. city in Minnesota
Population (2000): 276
Housing Units (2000): 130
Land area (2000): 0.748639 sq. miles (1.938965 sq. km)
Water area (2000): 0.078103 sq. miles (0.202287 sq. km)
Total area (2000): 0.826742 sq. miles (2.141252 sq. km)
FIPS code: 14842
Located within: Minnesota (MN), FIPS 27
Location: 45.096031 N, 94.405669 W
ZIP Codes (1990): 55324
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords:
Darwin, MN
Darwin


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  • Charles Darwin - Wikipedia
    Charles Robert Darwin ( ˈ d ɑːr w ɪ n [5] DAR-win; 12 February 1809 – 19 April 1882) was an English naturalist, geologist, and biologist, [6] widely known for his contributions to evolutionary biology
  • 查尔斯·达尔文 - 维基百科，自由的百科全书
    1887年：《查尔斯·达尔文的生平與信件》（Life and Letters of Charles Darwin），由弗朗西斯·达尔文编撰。 1903年：《更多查尔斯·达尔文的信件》（More Letters of Charles Darwin），由史瓦德（A C Seward）與弗朗西斯·达尔文编撰。
  • Charles Darwin | Biography, Education, Books, Theory of Evolution . . .
    Charles Darwin (born February 12, 1809, Shrewsbury, Shropshire, England—died April 19, 1882, Downe, Kent) was an English naturalist whose scientific theory of evolution by natural selection became the foundation of modern evolutionary studies
  • 查尔斯·罗伯特·达尔文（英国生物学家、进化论的奠基人）_百度百科
    查尔斯·罗伯特·达尔文（Charles Robert Darwin，1809年2月12日—1882年4月19日），英国生物学家，进化论的奠基人。 曾经乘坐贝格尔号舰作了历时5年的环球航行，对动植物和地质结构等进行了大量的观察和采集。
  • Charles Darwin - Theory, Book Quotes - Biography
    Charles Darwin was a British naturalist who developed a theory of evolution based on natural selection His views, and “social Darwinism,” remain controversial
  • Charles Darwin - Education
    Darwin’s analysis of the plants and animals he gathered led him to question how species form and change over time This work convinced him of the insight that he is most famous for— natural selection
  • Charles Darwin: History’s most famous biologist
    Charles Robert Darwin, 1809-1882, was one of the greatest British scientists who ever lived He transformed the way we understand the natural world with his theory of evolution by natural selection Skip to content
  • About Darwin - Darwin Correspondence Project
    To many of us, Darwin’s name is synonymous with his theory of evolution by natural selection But even before the publication of On the Origin of Species in 1859, he was publicly known through his popular book about the voyage of the Beagle, and he was esteemed by scientific colleagues for his work in geology and zoology
  • Charles Darwin: Biography, Theories, Contributions - Verywell Mind
    Charles Darwin is most famous for his theory of evolution by means of natural selection Learn more about his life, his theory, and his enormous impact on science
  • Charles Darwin - New World Encyclopedia
    Charles Robert Darwin (February 12, 1809 – April 19, 1882) was a British naturalist who achieved fame as originator of the theory of evolution through natural selection Considered the "father of evolutionary theory," Darwin made two contributions of enormous impact to the idea of evolution





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