“proportional band”的概念、定义、翻译、参考文献-科学参考

单词	proportional band
释义	proportional band [prǝ`pȯr·shǝn·ǝl `band] ^ACOUSTICS One of a series of frequency bands whose members have equal band ratios. ^{CONTROL SYSTEMS} The range of values of the controlled variable that will cause a controller to operate over its full range.
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