However, there may be several such allophones, or the linguist may prefer greater precision than this allows.

This allows a single antibody to be used by several different parts of the immune system.

A variant played in Poland allows a player to claim a region of several squares as soon as its boundary is completed.

A keyset or chorded keyboard ( also called a chorded keyset, chord keyboard or chording keyboard ) is a computer input device that allows the user to enter characters or commands formed by pressing several keys together, like playing a " chord " on a piano.

Despite the club's poor record, several Rockies hitters gained notoriety for their exploits at the plate, assisted by the thin and dry air of Denver, which purportedly allows balls to carry farther than they would at sea-level ballparks.

This allows a simulated census to be conducted by linking several different administrative databases at an agreed time.

Showing several variables allows comparison, which adds to the meaningfulness of the map.

) This allows a two point perspective projection, with several design limitations: for example, it is not possible for the Doom engine to render one room over another.

This allows several cordless telephones to be placed around the house, all operating from the same telephone jack.

A " controller " or " effects management system " allows for multiple effect chains to be created, so that one or several chains can be engaged or disengaged by tapping a single switch.

For example, the Linux Amiga framebuffer device driver allows the use of several other display modes.

Currently the organization allows several classes of membership.

This allows for a more comprehensive description of the symmetries of an object, such as a polyhedron, by allowing the same group to act on several different sets of features, such as the set of vertices, the set of edges and the set of faces of the polyhedron.

Cardano invented several mechanical devices including the combination lock, the gimbal consisting of three concentric rings allowing a supported compass or gyroscope to rotate freely, and the Cardan shaft with universal joints, which allows the transmission of rotary motion at various angles and is used in vehicles to this day.

In Firefox and other browsers, this allows true document transclusion, enabling one page to be built from several smaller documents.

In mathematics, the inverse limit ( also called the projective limit ) is a construction which allows one to " glue together " several related objects, the precise manner of the gluing process being specified by morphisms between the objects.

The continuous nature of the rotary action allows for an incredibly high cyclic rate of fire, often several thousand rounds per minute.

This allows more realistic operation in that the modeller can operate independently several locomotives on the same stretch of track.

Over time, a few Marvel Comics writers lobbied Marvel editors to incorporate the idea of a Multiverse resembling DC's parallel worlds ; this plot device allows one to create several fictional universes which normally do not overlap ( see below or Multiverse for more information ).

A " folded " hierarchy allows a single definition to be represented several times by instances.

This level of matrotrophy allows Poeciliopsis to carry several broods at different stages of development, a phenomenon known as superfetation.

During the Dominion War the class was present in several major conflicts, they operate in large groups and swarm enemy ships, this allows them to overpower much heavier vessels.

After several legal confrontations, the parties settled their claims in 2006, partially re-negotiating the 1998 licensing agreement, which allows Stainbrook and Staind the right to use the trademark in certain areas.

It allows several users to share the same frequency channel by dividing the signal into different time slots.

AIM Phoneline provides users the ability to have a few local number, this allows AIM users to receive incoming calls for free.

The service allows users to make calls to landlines and moblie devices through the use of a computer.

The real-time IM allows users to have a better experience.

A Bulletin Board System, or BBS, is a computer system running software that allows users to connect and log in to the system using a terminal program.

But during the 1960s faster and more affordable computers became available, and as prices decreased newer computer systems supported time-sharing, a system which allows multiple users or processes to use the CPU and memory.

* Bulletin Board System, a computer that allows users to dial into the system over a phone line or telnet connection

It is implemented on two popular mobile phones, each provided with software disambiguation, which allows users to avoid using the space-bar.

* CPANRatings allows users to write short reviews and rate modules on a 5-star scale

These professionals can then gather information and use it at their preference, developing a system that allows users to easily access desired information and is secure and trusted by its users.

A database query language and report object allows users to interactively interrogate the database, analyze its data and update it according to the users privileges on data.

This feature allows users to see database information in a more business-related way rather than from a technical, processing viewpoint.

EiffelEnvision is a plug-in for Microsoft Visual Studio that allows users to edit, compile, and debug Eiffel projects from within the Microsoft Visual Studio IDE.

Three common models are ( a ) callers whose call-attempts are rejected go away and never come back, ( b ) callers whose call-attempts are rejected try again within a fairly short space of time, and ( c ) the system allows users to wait in queue until a circuit becomes available.

Since version 20, GNU Emacs has included a " Customize " facility which allows users to set common customization variables through a graphical interface.

Generally, then, a lack of social context creates an element of anonymity, which allows users to feel insulated from the forms of punishment they might receive in a more conventional setting.

This allows users to publish anonymously or retrieve various kinds of information.

Inserting a document using a KSK allows the document to be retrieved and decrypted if and only if the requester knows the human-readable string ; this allows for more convenient ( but less secure ) URIs for users to refer to.

The new GPRS network installed by the Scandinavian company allows faster and permanent connectivity for all mobile users, as well as providing high-speed picture and video messaging for owners of the new range of multi-purpose hand-sets.

The Xerox Alto was the first to use a graphical user interface. In computing, a graphical user interface ( GUI, commonly pronounced gooey ) is a type of user interface that allows users to interact with electronic devices using images rather than text commands.

Free basic membership allows users to see coordinates for most caches in its database ; premium membership includes a fee for additional features, including advanced search tools and caches designed for premium members.