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liana    音标拼音: [li'ɑnə]
n. 藤蔓植物

藤蔓植物

liana
n 1: a woody climbing usually tropical plant

Liane \Li*ane"\ (l[-i]*[=a]n"), Liana \Li*a"na\
(l[-i]*[=a]"n[.a]), n. [F. liane; prob. akin to lien a band,
fr. L. ligamen, fr. ligare to bind. Cf. {Lien}, n. ] (Bot.)
A luxuriant woody plant, climbing high trees and having
ropelike stems. The grapevine often has the habit of a liane.
Lianes are abundant in the forests of the Amazon region.
[1913 Webster]

54 Moby Thesaurus words for "liana":
algae, autophyte, bean, bracken, brown algae, climber, conferva,
confervoid, creeper, diatom, fern, fruits and vegetables, fucus,
fungus, grapevine, green algae, gulfweed, herb, heterophyte, ivy,
kelp, legume, lentil, lichen, liverwort, mold, moss, mushroom,
parasite, parasitic plant, pea, perthophyte, phytoplankton,
planktonic algae, plant families, puffball, pulse, red algae,
rockweed, rust, saprophyte, sargasso, sargassum, sea lentil,
sea moss, sea wrack, seaweed, smut, succulent, toadstool, vetch,
vine, wort, wrack

A {C}-like, interpretive, {object-oriented
programming} language, {class} library, and integrated
development environment designed specifically for development
of {application programs} for {Microsoft Windows} and {Windows
NT}. Designed by Jack Krupansky of
{Base Technology}, Liana was first released as a commercial
product in August 1991. The language is designed to be as
easy to use as {BASIC}, as concise as {C}, and as flexible as
{Smalltalk}.

The {OOP} {syntax} of {C} was chosen over the less familiar
syntax of {Smalltalk} and {Objective-C} to appeal to {C}
programmers and in recognition of C being the leading OOP
language. The syntax is a simplified subset of {C/C}. The
{semantics} are also a simplified subset of C/C, but
extended to achieve the flexibility of Smalltalk.

Liana is a typeless language (like {Lisp}, {Snobol} and
{Smalltalk}), which means that the datatypes of variables,
function parameters, and function return values are not needed
since values carry the type information. Hence, variables are
simply containers for values and function parameters are
simply pipes through which any type of value can flow.
{Single inheritance}, but not {multiple inheritance}, is
supported. {Memory management} is automatic using {reference
counting}.

The library includes over 150 {classes}, for {dynamic arrays},
{associative lookup} tables, windows, menus, dialogs,
controls, bitmaps, cursors, icons, mouse movement, keyboard
input, fonts, text and graphics display, {DDE}, and {MDI}.

Liana provides flexible OOP support for Windows programming.
For example, a {list box} automatically fills itself from an
associated {object}. That object is not some sort of special
object, but is merely any object that "behaves like" an array
(i.e., has a "size" member function that returns the number of
elements, a "get" function that returns the ith element, and
the text for each element is returned by calling the "text"
member function for the element).

A related product, C-odeScript, is an embeddable application
scripting language. It is an implementation of Liana which
can be called from C/C applications to dynamically evaluate
expressions and statement sequences. This can be used to
offer the end-user a macro/scripting capability or to allow
the C/C application to be customized without changing the
C/C source code.

Here's a complete Liana program which illustrates the
flexibility of the language semantics and the power of the
class library:

main
{
// Prompt user for a string.
// No declaration needed for "x" (becomes a global variable.)
x = ask ("Enter a String");

// Use "" operator to concatenate strings. Memory
// management for string temporaries is automatic. The
// "message" function displays a Windows message box.
message ("You entered: " x);

// Now x will take on a different type. The "ask_number"
// function will return a "real" if the user's input
// contains a decimal point or an "int" if no decimal
// point.
x = ask_number ("Enter a Number");

// The "" operator with a string operand will
// automatically convert the other operand to a string.

message ("You entered: " x);

// Prompt user for a Liana expression. Store it in a
// local variable (the type, string, is merely for
// documentation.)
string expr = ask ("Enter an Expression");

// Evaluate the expression. The return value of "eval"
// could be any type. The "source_format" member function
// converts any value to its source format (e.g., add
// quotes for a string.) The "class_name" member function
// return the name of the class of an object/value.
// Empty parens can be left off for member function calls.
x = eval (expr);
message ("The value of " expr " is " x.source_format
" its type is " x.class_name);
}

The author explained that the "Li" of Liana stands for
"Language interpreter" and liana are vines that grow up trees
in tropical forests, which seemed quite appropriate for a tool
to deal with the complexity of MS Windows! It is also a
woman's name.

["Liana for Windows", Aitken, P., PC TECHNIQUES, Dec/Jan
1993].

["Liana: A Language For Writing Windows Programs", Burk, R.,
Tech Specialist (R&D Publications), Sep 1991].

["Liana v. 1.0." Hildebrand, J.D., Computer Language, Dec
1992].

["Liana: A Windows Programming Language Based on C and C",
Krupansky, J., The C Users Journal, Jul 1992].

["Writing a Multimedia App in Liana", Krupansky, J.,
Dr. Dobb's Journal, Winter Multimedia Sourcebook 1994].

["The Liana Programming Language", R. Valdes, Dr Dobbs J Oct
1993, pp.50-52].

(1999-06-29)


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  • Liana - Wikipedia
    Lianas are characteristic of tropical moist broadleaf forests (especially seasonal forests), but may be found in temperate rainforests and temperate deciduous forests There are also temperate lianas, for example the members of the Clematis or Vitis (wild grape) genera
  • Liliana | Modern Italian Pasta Bar in Woodbury | Book Now
    Located in Woodbury's City Walk neighborhood, Liliana is a modern Italian pasta bar that merges fine-dining hospitality and cuisine with a laid back environment Hand-made pastas are complemented by an Italian-focused wine list and an award-winning craft cocktail program
  • Liana | Climbing Vines, Rainforest Woody Vines | Britannica
    liana, any long-stemmed, woody vine that is rooted in the soil and climbs or twines around other plants They are a conspicuous component of tropical forest ecosystems and represent one of the most important structural differences between tropical and temperate forests
  • Lianas - Smithsonian National Museum of Natural History
    vine, bejuco [Spanish], cipó, trepadeira, corda, icipó [Portuguese] – a general term for climbing plants but often used for herbaceous or slightly woody climbers, the word bejuco is synonymous with liana in many Spanish speaking countries in the Americas
  • LIANA: a LIgand-receptor ANalysis frAmework - GitHub
    LIANA enables the use of any combination of ligand-receptor methods and resources, and their consensus The faster, memory-efficient, and more comprehensive LIANA+ framework is available here
  • LIANA Definition Meaning - Merriam-Webster
    The meaning of LIANA is any of various usually woody vines especially of tropical rainforests that root in the ground
  • Liana Wallet - A secure Bitcoin wallet designed for peace of mind
    Whether you are saving for the long term, protecting family funds, or securing business assets, Liana gives you full control, no matter what Liana is built for people who want to be resilient to failure, loss, or change Even if your device breaks or a company disappears, your bitcoin stays safe
  • What is a Liana? - World of Flowering Plants
    A liana is any of various long-stemmed, woody vines rooted in the soil at ground level and uses trees and other means of vertical support to climb up to the canopy to access well-lit forest areas
  • About Us – LIANA NYC
    Since its opening in 1982, LIANA continues to be a unique shopping destination on the Upper West Side of New York City LIANA is known for its personal styling service and highly curated collection and inspires women to find their inner style and beauty
  • Lianas | Rainforests - Earth Facts
    They start out as small upright shrubs Most lianas produce long shoots with tendrils that attach themselves to a support Eventually they extend into the canopy, reaching it via the understory and lower canopy trees, and sometimes growing up with their supporting trees





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