symbian 术语

Symbian sdk帮助-术语表L

译文作者: 〇
译文版本:1.0 译文时间:2005-09-22

--------------------------------------------------------------------------------

L2CAP
The Bluetooth Logical Link Control And Adaptation Protocol (L2CAP). It controls how multiple
users of the link are multiplexed together, handles packet segmentation and reassembly, and
conveys quality of service information.
L2CAP是指蓝牙逻辑链路控制和适配协议。L2CAP协议控制着在一个链路中多个用户信息的多路传输，操作信息
包的分割和重新组装，而且还传送服务质量信息。

L function
In the context of Symbian C++ programming, a function with a trailing L in its name, e.g. NewL():
such functions may leave, either directly by calling User::Leave(), or indirectly by calling
other functions that may leave.
在Symbian C++程序中，有一种以L结尾的函数名，比如NewL()，这种函数有可能是leave的，它或许直接
调用了User::Leave()，或许是间接的调用了其他leave的函数。

See also: leave

label
A descriptor which contains the name of a contact item field, for instance First name or Home address.
一种包含关联项目field的标识符，比如First name或者Home address

See also: descriptor, field

label margin
Margin used for labels, normally used for paragraph style.
为标签留出的空白，一般使用在段落结构中。

See also: view rectangle, line cursor margin

LAF
A Look and Feel software module provided by phone manufacturers to customise devices and user
interfaces. For example, the scroll bar appearance.
一种由话机厂商提供给定制服务及用户界面的Look and Feel软件模块。例如：显示的滚动条。

landscape
Horizontal page orientation for printing.
为输出确定的水平页面方向。

See also: orientation, portrait
Language downgrade path
An array of up to eight languages which are used in turn to find the best matching language-specific
version of a language-neutral filename. The first language in the path is the language of the
current locale. Up to the next three (at indices 1, 2 and 3) can be customised. The remaining languages
in the downgrade path are based on a table of language near equivalence which is internal to Symbian.
一个多达八种语言的序列，通过这个序列可以为一个不确定语言的文件名找到最适合它的具体语言。在这个
序列的第一种语言就是当前本地的语言。这个序列的前三种语言可以被用户定制。在这个序列中的语言是由
Symbian内含的一个语言表来进行选择的。

language extension procedure
An OPX procedure written in C++ that can be called from an OPL program.
一个以C++语言编写的OPX过程，该过程可以被一个OPL程序调用。

See also: OPX, OXH

large bitmap
A FBS bitmap whose size is greater than a certain threshold value, currently set at 4Kb.
一种大小超过某一界限值的FBS位图文件，这个界限值一般是被设置成4Kb。

See also: small bitmap

latchable
Buttons that can latch change their state when pressed and stay in that state until changed again
by the user.
一种按钮，当它被按下之后，可以保持它的状态，直到用户再一次改变它的状态。

latching command button
A command button that remains depressed when the pointer is removed from it.
一种command button，在指针从它上面离开后，还可以保持按下的状态。

See also: command button

latency
The time taken between the occurrence of an event and the response to it.
从一个事件触发开始到有了对它的回应的这个时间段。

latitude editor
A concrete control that supports editing a latitude value.
提供编辑范围值功能的一个控制器。

layout coordinate
x,y co-ordinates whose origin is the top left hand corner of the text area.
xy双坐标系，它的原点定在文本框的左上角。
See also: text area, window co-ordinates

layout engine
The Symbian OS text layout engine lays out editable text in a window.
Symbian操作系统的文本布局引擎在一个窗口中放置可编辑文本。

See also: editable text

layout object
Represents necessary interface between document and view.
layout object在文档和视图之间描述必要的接口。

See also: text document

LDD
A logical device driver.
逻辑设备驱动程序

leave
To leave, is to invoke the function User::Leave(). This causes a return to the current trap harness.
leave，就是指调用了User::Leave()函数。这将产生一个对于当前trap harness的返回值。

A function may also leave because a function it called left.
一个调用了其他leave函数的函数也是leave的。

See also: trap harness, cleanup stack

left adjust
The number of pixels to move before displaying a character.
在显示一个字符之前移动的象素数目。

See also: right adjust

left text margin
The distance between the leftmost extent of a paragraph and the left edge of the text area.
一个paragraph的最左边距离其所在文本区的左边界的距离。

An increasing left text margin width causes a scroll right to occur (text moves leftwards) and a
decreasing left text margin width causes a scroll left to occur (text moves rightwards).
一个渐增的左文本缩进值会导致一个向右的滚动（文本向左移动）同时一个逐渐缩小的左文本缩进值会导致
向左的滚动（文本向右移动）

For an illustration of the left text margin, see Screen layout.
如果想得到一个关于左文本缩进值的例子，请参看屏幕布局。

See also: text area, paragraph

length
The length of data currently represented by a descriptor.
使用描述符表示的数据的长度。
line
Text Views : A line of text as seen on the view. A line is a member of just one paragraph. One
paragraph may consist of many lines. Lines only apply to text that has been formatted.
Text Views：文本的line就是直接观察到的。一条line只是一个段落的组成部分。一个段落可以包含有许多
line。lines仅仅是对于那些排列过的本文而言的。

ETel : A physical line from which calls are made.
Etel：形成通话时的物理意义上的线路。

See also: line capability, phone, callparagraph, formatted band,

line capabilities
The things that an ETel line can do. Includes; ability to connect to data, voice or fax calls;
detect the hook and line status, create calls.
Etel line可以做的事情。包括：数据、声音或者传真通话的连接；侦测hook和line的状态，建立通话。

See also: line

line cursor
Indicator in line cursor margin, used to indicate which line the cursor is on.
line游标上的一个指示器，用于指明当前游标所在line。

See also: line cursor margin, cursor

line cursor margin
Margin used for line cursor.
使用在line游标中的margin

See also: view rectangle, label margin, line cursor

line primitive
A graphics operation to draw, (using the pen), a line or sequence of lines.
一种绘制的制图操作，使用pen，一条或者一组line。

See also: pen, polyline, graphics operation

line status
In the context of ETel, the current status of calls on the line, e.g. dialling.
在Etel中，line status是指在line中的通话的当前状态，例如：拨号中。

linear address
Alternative name for virtual address, the name 'linear' is historical. 'Virtual' is preferred.
对于虚拟地址的一个可选的名称，“linear”是历史的，“virtual”是首选的。

list
Objects or data items connected together to form a meaningful sequence. Also known as a 'queue'.
对象或者数据项连接在一起形成的一种有含义的排列，也被称作“queue”。
local file system
A file system which mediates access to any devices local to the machine, all of which use native
machine formats.
一种可以调用本地所有驱动的文件系统。所有这种系统都使用native machine formats。

See also: file system

local time
The date and time taking into account the current time zone's offset from universal time.
注意到当前时区与格林尼治标准时间的偏移的时间和数据。

See also: universal time

location area code
This specifies the general location, similar to an STD code for mobile numbers.
location area code指明了一些概括的位置，就如同手机号中的STD码一样。

long network name
Networks have both short and long names. The long name is used in preference. In Symbian OS,
the long name is 16 characters.
网络中有短网络名和长网络名。一般优先选择的是长网络名。在Symbian操作系统中，长网络名有16个字节。

See also: short network name

longitude editor
A concrete control which supports editing a longitude value.
一种提供编辑经度值的控制器。

low water mark
When this point is reached in a receive buffer, a flow control resume event is triggered.
当low water mark进入接受缓存的时候，就会触发一个流控制事件。

See also: XON