“drift”的概念、定义、翻译、参考文献-科学参考

drift

Chemical Engineering

The change in the output–input signal relationship of a controlled process over a period of time.

Electronics and Electrical Engineering

The variation with time of any electrical property of a circuit or apparatus. Drift often occurs during warm up or when the device is nearing the end of its useful life. In a voltage regulator or reference standard the variation of output voltage with respect to time is the drift rate.

Geology and Earth Sciences

1. Any sediment laid down by, or in association with, the activity of glacial ice. The term is often widened to include related submarine and lacustrine deposits. The British Geological Survey has used it to refer to all superficial (i.e. drift) deposits. It was introduced by C. Lyell (1797–1875), who suggested that glacial deposits were laid down by melting icebergs which drifted across an ice-age sea covering Britain. This old term is now largely superseded by more recent classifications.
2. (instrumental) The change in the output of a recording device due to internal factors. Systematic drift can be compensated for by repeat readings at a base station.
3. In mining, an underground horizontal passage.

单词	drift
释义	drift Chemical Engineering The change in the output–input signal relationship of a controlled process over a period of time. Electronics and Electrical Engineering The variation with time of any electrical property of a circuit or apparatus. Drift often occurs during warm up or when the device is nearing the end of its useful life. In a voltage regulator or reference standard the variation of output voltage with respect to time is the drift rate. Geology and Earth Sciences 1. Any sediment laid down by, or in association with, the activity of glacial ice. The term is often widened to include related submarine and lacustrine deposits. The British Geological Survey has used it to refer to all superficial (i.e. drift) deposits. It was introduced by C. Lyell (1797–1875), who suggested that glacial deposits were laid down by melting icebergs which drifted across an ice-age sea covering Britain. This old term is now largely superseded by more recent classifications. 2. (instrumental) The change in the output of a recording device due to internal factors. Systematic drift can be compensated for by repeat readings at a base station. 3. In mining, an underground horizontal passage.
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