单词 | matching device |
释义 | > as lemmasmatching device matching device n. ΚΠ 1949 E. W. Kimbark Electr. Transmission xiii. 279 Another matching device is used at the sending end of the line..in order to obtain optimum power output from the transmitter. 1984 J. F. Lamb et al. Essent. Physiol. (ed. 2) x. 309 In engineering terms the middle ear is a matching device transferring energy from a region of low impedance to one of high impedance. < as lemmas |
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