Local Digital Switch. The type of telecommunications switching device used in a local telephone end office. All local digital switches may use the same type of hardware, however, the services they can provide are differentiated by the software that runs in them.
Long Distance Switching. A technology which receives information from a local exchange carrier and selects a terminating route based on that information. Switching equipment makes decisions from screening digits and continuous monitoring of available circuits.
LDS is the name given to various single seater racing specials built for the South African F1 Championship. The "specials" were built by Louis Douglas Serrurier, hence the name. The Mark 1 and Mark 2 models were based on Cooper designs, whilst the Mark 3 was based on the Brabham BT11.
Limited Data Set. PHI that excludes direct identifiers of the individuals or relatives, employers, or household members of the individual with certain exceptions including city, state, zip code, elements of dates, and other numbers, characteristics or codes not listed as direct identifiers.
Limited Data Sets. Concerning the type of data collected, Limited Data Sets contain “PHI that excludes 16 categories of direct identifiers and may be used or disclosed, for purposes of research, public health, or health care operations, without obtaining either an individual's Authorization or a waiver or an alteration of Authorization for its use and disclosure, with a data use agreement.” A limited data set may include city; state; ZIP code; elements of date; and other numbers, characteristics, or codes not listed as direct identifiers. Direct identifiers listed in the Privacy Rule's limited data set provisions apply both to information about the individual and to information about the individual's relatives, employers, or household members. (See also: Direct Identifiers Not Allowed in Limited Data Sets and Data Use Agreement.)
The practice of seeding the new crop directly into the undisturbed stubble of the previous crop with seed-row openers designed to disturb no more than 30% of the soil surface. Very similar to zero-tillage.
Library Development and Services, Minnesota , Department of Education. The State Library Service gives consultant service and administers state and federal grants for public libraries and multi-type library cooperation.