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4 天前 · The Northrop B-2 Spirit, also known as the Stealth Bomber, is an American heavy strategic bomber, featuring low-observable stealth technology designed to penetrate dense anti-aircraft defenses.
- 17 July 1989; 34 years ago
- 1987–2000
- 21
4 天前 · List of file signatures. This is a list of file signatures, data used to identify or verify the content of a file. Such signatures are also known as magic numbers or Magic Bytes. Many file formats are not intended to be read as text. If such a file is accidentally viewed as a text file, its contents will be unintelligible.
1 天前 · ASCII ( / ˈæskiː / ⓘ ASS-kee ), [3] : 6 an acronym for American Standard Code for Information Interchange, is a character encoding standard for electronic communication. ASCII codes represent text in computers, telecommunications equipment, and other devices.
4 天前 · List of trigonometric identities. Trigonometry. Outline. History. Usage. Functions ( sin, cos, tan, inverse) Generalized trigonometry. Reference. Identities. Exact constants. Tables. Unit circle. Laws and theorems. Sines.
4 天前 · An HPV infection is caused by the human papillomavirus, a DNA virus from the papillomavirus family. [8] Over 200 types have been described. [9] An individual can become infected with more than one type of HPV, [10] and the disease is only known to affect humans.
- Human papillomavirus spread by direct contact
- None, warts
- Most people are infected at some point in time
2 天前 · The official chart of the IPA, revised in 2020. The International Phonetic Alphabet ( IPA) is an alphabetic system of phonetic notation based primarily on the Latin script. It was devised by the International Phonetic Association in the late 19th century as a standardized representation of speech sounds in written form. [1] .
2 天前 · The chart below shows the current enlisted rank insignia of the United States Army, with seniority, and pay grade, increasing from right to left. The enlisted ranks of corporal (E-4) and higher are considered non-commissioned officers (NCOs).
