搜尋結果
1 天前 · Carthage [a] was an ancient city in Northern Africa, on the eastern side of the Lake of Tunis in what is now Tunisia. Carthage was one of the most important trading hubs of the Ancient Mediterranean and one of the most affluent cities of the classical world. It became the capital city of the civilisation of Ancient Carthage and later Roman ...
2 天前 · The Global Positioning System (GPS), originally Navstar GPS, is a satellite-based radio navigation system owned by the United States government and operated by the United States Space Force. It is one of the global navigation satellite systems (GNSS) that provide geolocation and time information to a GPS receiver anywhere on or near the Earth where there is an unobstructed line of sight to ...
4 天前 · Structure of a typical L-alpha-amino acid in the "neutral" form Amino acids are organic compounds that contain both amino and carboxylic acid functional groups.[1] Although over 500 amino acids exist in nature, by far the most important are the 22 α-amino acids incorporated into proteins.[2] Only these 22 appear in the genetic code of life.[3 ...
1 天前 · Jay-Z. Shawn Corey Carter (born December 4, 1969), known by his stage name Jay-Z, [a] is an American rapper, record producer, and entrepreneur. [8] Known for his involvement in the success of other artists, [9] [10] he was named the greatest rapper of all time by Billboard and Vibe in 2023. [11]
1 天前 · South Sudan (/ s uː ˈ d ɑː n,-ˈ d æ n /), officially the Republic of South Sudan, is a landlocked country in eastern Central Africa.It is bordered by Ethiopia, Sudan, the Central African Republic, the Democratic Republic of the Congo, Uganda, and Kenya, and includes the vast swamp region of the Sudd, formed by the White Nile and known locally as the Bahr al Jabal, meaning "Mountain Sea".
2 天前 · 7-Eleven, Inc.[2] is an American convenience store chain, headquartered in Irving, Texas and owned by Japanese company Seven & I Holdings through Seven-Eleven Japan Co., Ltd.[3] The chain was founded in 1927 as an ice house storefront in Dallas. It was named Tote'm Stores between 1928 and 1946. After Ito-Yokado, a Japanese supermarket chain ...
