“bias”的概念、定义、翻译、参考文献-科学参考

单词	bias
释义	bias [`bī·ǝs] ^{ANALYTICAL CHEMISTRY} A systematic error occurring in a chemical measurement that is inherent in the method itself or caused by some artifact in the system, such as a temperature effect. ^ELECTRICITY 1. A direct-current voltage used on signaling or telegraph relays or electromagnets to secure desired time spacing of transitions from marking to spacing. 2. The restraint of a relay armature by spring tension to secure a desired time spacing of transitions from marking to spacing. 3. The effect on teleprinter signals produced by the electrical characteristics of the line and equipment. 4. The force applied to a relay to hold it in a given position. ^ELECTRONICS 1. A direct-current voltage applied to a transistor control electrode to establish the desired operating point. 2. See <<grid bias>> ^MATERIALS In a reinforced composite material, the angle made by the reinforcing fibers with the longitudinal direction of the material. ^STATISTICS In estimating the value of a parameter of a probability distribution, the difference between the expected value of the estimator and the true value of the parameter. ^TEXTILES A direction on fabric that is equivalent to the diagonal of a square of the fabric cut so that the warp and the filling are parallel to the edges.
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