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Fisher Electronics was an American audio equipment manufacturer founded in 1945 by Avery Fisher in New York City, New York. Originally named the Fisher Radio Corporation, the company is considered a pioneer in high fidelity audio equipment. Fisher initially developed, manufactured and marketed high-performance audio products under the trade ...
Fisher FP-202 Koala
Sometimes referred to as the Fisher–Orr model, Fisher's model addresses the problem of adaptation (and, to some extent, complexity), and continues to be a point of reference in contemporary research on the genetic and evolutionary consequences of pleiotropy. [3] The model has two forms, a geometric formalism, and a microscope analogy. A ...
In mathematical statistics, the Fisher information (sometimes simply called information[1]) is a way of measuring the amount of information that an observable random variable X carries about an unknown parameter θ of a distribution that models X. Formally, it is the variance of the score, or the expected value of the observed information.
Electrofishing - Wikipedia ... 电捕鱼
Reece-Fish. The Reece-Fish is a variable choke, [citation needed] side- or downdraft design, with few moving parts to wear or adjust. To change from side-draft to downdraft, the installer simply rotates the float chamber to suit the carburetor orientation. The engine tuner David Vizard rated this carburetor highly in his book Tuning the A ...
Genetic drift - Wikipedia ... Genetic drift
Footnotes / references. [1] Fisher-Price, Inc. is an American company that produces educational toys for infants, toddlers and preschoolers, headquartered in East Aurora, New York. It was founded in 1930 during the Great Depression by Herman Fisher, Irving Price, Helen Schelle and Margaret Evans Price. Fisher-Price has been a wholly owned ...