Qidiruv

systematized code of data compiled periodically or on the basis of continuous control over the relevant object in terms of its qualitative and quantitative characteristic

process and result of mastering of systematic knowledge, skills and experience with the purpose of scientifically reasoned realizations of measures on natural conservatio

is a training electronic publication with a systematized exposition of the discipline (its section, part), in which the text, sound, graphic and other information that pr

a list of rare and extinction threatened organisms; there are distinguished international, national and local versions of R.b. as well as separate R.b. of plants, animals

1) a number of a given species per a unit of area or in population; 2) total number of individuals living (independently from their systematic belonging) in a particular

is a traditional education for Russia, a type of general secondary education, which involves the systematic study of ancient languages and mathematics as the main subject