High Quality Content by WIKIPEDIA articles! A system of measurement is a set of units which can be used to specify anything which can be measured and were historically important, regulated and defined because of trade and internal commerce. Scientifically, when later analyzed, some quantities are designated as fundamental units meaning all other needed units can be derived from them, whereas in the early and most historic eras, the units were given by fiat (See Statutory law) by the ruling...
High Quality Content by WIKIPEDIA articles! A system of measurement is a set of units which can be used to specify anything which can be measured and were historically important, regulated and defined because of trade and internal commerce. Scientifically, when later analyzed, some quantities are designated as fundamental units meaning all other needed units can be derived from them, whereas in the early and most historic eras, the units were given by fiat (See Statutory law) by the ruling entities and were not necessarily well inter-related or self-consistent. The French Revolution gave rise to the metric system, and this has spread around the world, replacing most customary units of measure. In most systems, length (distance), weight, and time are fundamental quantities; or as has been now accepted as better in science and engineering, the substitution of mass for weight, as a better more basic parameter. Some systems have changed to recognize the improved relationship, notably the 1824 legal changes to the imperial system.
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Творчество Александра Павловича Чехова (Седого), старшего брата великого русского писателя А.П.Чехова и отца выдающегося драматического актера ХХ века М.А.Чехова современным читателям почти неизвестно. А между тем беллетристом он был замечательным. Его перу принадлежит немалое количество прекрасных рассказов и фельетонов, достойных переиздания и прочтения. В книгу избранных сочинений Ал.П.Чехова...
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Художественная литература
Дата выхода: март 2019
Новый роман Фоера ждали более десяти лет. "Вот я" — масштабное эпическое повествование, книга, явно претендующая на звание большого американского романа. Российский читатель обязательно вспомнит всем известную цитату из "Анны Карениной" — "каждая семья несчастлива по-своему". Для героев романа "Вот я", Джейкоба и Джулии, полжизни проживших в браке и родивших трех сыновей, разлад воспринимается не...
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