منابع مشابه
Audiovisual Programs As Sources Of Language Input: An Overview
Audiovisual devices such as satellite and conventional televisions can offer easy access to authentic programs which are considered to be a rich source of language input for SLA (Second Language Acquisition). The immediacy of various audiovisual programs ensures that language learners’ exposure is up-to-date and embedded in the real world of native speakers. In the same line, in the present pap...
متن کاملAudiovisual Programs As Sources Of Language Input: An Overview
Audiovisual devices such as satellite and conventional televisions can offer easy access to authentic programs which are considered to be a rich source of language input for SLA (Second Language Acquisition). The immediacy of various audiovisual programs ensures that language learners’ exposure is up-to-date and embedded in the real world of native speakers. In the same line, in the present pap...
متن کاملOrganizing Programs Without Classes
All organizational functions carried out by classes can be accomplished in a simple and natural way by object inheritance in classless languages, with no need for special mechanisms. A single model—dividing types into prototypes and traits—supports sharing of behavior and extending or replacing representations. A natural extension, dynamic object inheritance, can model behavioral modes. Object ...
متن کاملPrograms Without Failures
We try to formalize the intuitive reasoning which we normally use to get convinced that a query has successful LD-derivations in a program. To this purpose we deene the class of programs and queries without failures which have the property of not having nitely failing derivations. Such property is simple to verify, it is preserved through leftmost unfolding and it can be useful both in verifyin...
متن کاملDynamics of Distributed Sources
Dynamics of distributed sources is described by nonlinear partial differential equations. Lagrangian analytical solutions of these (and associated) equations are obtained and discussed in the context of the Lagrangian mod-eling-from the Lagrangian Invariants to dynamics. Possible applications of distributed sources and sinks to geophysical fluid dynamics and to gravitation are indicated. Singul...
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ژورنال
عنوان ژورنال: Journal of Applied Crystallography
سال: 1988
ISSN: 0021-8898
DOI: 10.1107/s0021889888009343