搜尋結果
2 天前 · The tomato ( / təmeɪtoʊ / or / təmɑːtoʊ /) is the edible berry of the plant Solanum lycopersicum, [1] [2] commonly known as the tomato plant. The species originated in western South America, Mexico, and Central America. [2] [3] The Nahuatl word tomatl gave rise to the Spanish word tomate, from which the English word tomato derives.
2 天前 · Pyrus dioica Moench. An apple is a round, edible fruit produced by an apple tree ( Malus spp., among them the domestic or orchard apple; Malus domestica ). Apple trees are cultivated worldwide and are the most widely grown species in the genus Malus. The tree originated in Central Asia, where its wild ancestor, Malus sieversii, is still found.
4 天前 · Theodor Seuss Geisel ( / suːsˈɡaɪzəl, zɔɪs -/ ⓘ sooss GHY-zəl, zoyss -; [2] [3] [4] March 2, 1904 – September 24, 1991) [5] was an American children's author and cartoonist. He is known for his work writing and illustrating more than 60 books under the pen name Dr. Seuss ( / suːs, zuːs / sooss, zooss ).
4 天前 · Euarctos americanus. The American black bear ( Ursus americanus ), also known as the black bear, is a species of medium-sized bear endemic to North America. It is the continent's smallest and most widely distributed bear species. The American black bear is an omnivore, with a diet varying greatly depending on season and location.
4 天前 · The Kalman filter keeps track of the estimated state of the system and the variance or uncertainty of the estimate. The estimate is updated using a state transition model and measurements. x ^ k ∣ k − 1 {\displaystyle {\hat {x}}_{k\mid k-1}} denotes the estimate of the system's state at time step k before the k-th measurement yk has been ...
1 天前 · Princeton University is a private Ivy League research university in Princeton, New Jersey. Founded in 1746 in Elizabeth as the College of New Jersey, Princeton is the fourth-oldest institution of higher education in the United States and one of the nine colonial colleges chartered before the American Revolution.[8][9][a] The institution moved ...
4 天前 · The apostrophe (' or ’) is a punctuation mark, and sometimes a diacritical mark, in languages that use the Latin alphabet and some other alphabets. In English, the apostrophe is used for three basic purposes: The marking of the omission of one or more letters, e.g. the contraction of "do not" to "don't" The marking of possessive case of ...
