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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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英文字典中文字典相关资料:


  • Charles Darwin - Wikipedia
    On 17 February, Darwin was elected to the Council of the Geological Society, and Lyell's presidential address presented Owen's findings on Darwin's fossils, stressing the geographical continuity of species as supporting his uniformitarian ideas
  • Charles Darwin | Biography, Education, Books, Theory of Evolution . . .
    Charles Darwin, the renowned British naturalist and father of evolutionary theory, revolutionized our understanding of life on Earth through his groundbreaking work "On the Origin of Species," forever changing how we view ourselves and all living organisms
  • The Complete Work of Charles Darwin Online
    Beagle Library, Specimens, Darwin's Library, Reviews, Photographs, Caricatures, Funeral, Obituaries, Recollections, Intros, Works on, Itinerary Wallace Online
  • Apple 开源系统 Darwin 的历史 - 知乎
    而Darwin就是以XNU作为内核的一个操作系统，它通过其的BSD血统（主要是FreeBSD，xnu中FreeBSD元素的加入也很大一部分为了支持POSIX）支持POSIX API，因此大量为Unix Unix-like编写的程序可以直接在Darwin上编译运行。
  • Guide to Darwin - Tourism Australia
    With everything from Asian food markets and crocodile encounters to open-air movies and sunset cruises, Darwin is as easy going as it is exciting If balmy nights, colourful characters and outdoor adventures are on your bucket list, you'll want to visit Darwin, located in the Northern Territory
  • 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），男，出生于英国普雷斯顿，毕业于剑桥大学，英国生物学家，进化论的奠基人。 达尔文出生在一个医学世家。 1825年，进入苏格兰爱丁堡大学学习医学。 1828年，进入剑桥大学，改学神学。
  • 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 - 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: 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





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