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  1. Indicate a ratio of unit symbols with a forward slash (/), followed by either a single symbol or a parenthesized product of symbols – do not use multiple slashes. Or use −1 , −2 , etc. metre per second

  2. en.wikipedia.org › wiki › Empty_stringEmpty string - Wikipedia

    In context-free grammars, a production rule that allows a symbol to produce the empty string is known as an ε-production, and the symbol is said to be "nullable". Use in programming languages. In most programming languages, strings are a data type. Strings are typically stored at distinct memory addresses (locations). Thus, the same string ...

  3. A currency symbol was used for the ruble between the 16th century and the 18th century. The symbol consisted of the Russian letters "Р" (rotated 90° anti-clockwise) and "У" (written on top of it). The symbol was placed over the amount number it belonged to. This symbol, however, fell into disuse by the mid-19th century.

  4. Oct 12, 2022 · Microsoft pleaded for its deal on the day of the Phase 2 decision last month, but now the gloves are well and truly off. Microsoft describes the CMA’s concerns as “misplaced” and says that ...

  5. Sep 03, 2019 · Entrez Date (EDAT) In most cases, Entrez Date is the date the citation was added to PubMed. However, prior to October 9, 2008, the Entrez Date was set equal to the Publication Date (DP) on records with publication dates before September 1997. Beginning on October 9, 2008, the Entrez Date is set equal to the Publication Date (DP) when the record ...

  6. The International System of Units, or SI,: 123 is a decimal and metric system of units established in 1960 and periodically updated since then. The SI has an official status in most countries, including the United States, Canada, and the United Kingdom, although these three countries are amongst a handful of nations that, to various degrees, also continue to use their customary systems.

  7. These information requirements have so far been incorporated in Community legislation, and in particular in Regulation (EC) No 715/2007 of the European Parliament and of the Council of 20 June 2007 on type approval of motor vehicles with respect to emissions from light passenger and commercial vehicles (Euro 5 and 6) and on access to vehicle ...

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