| 单词 | service range |
| 释义 | > as lemmasservice range service range n. the range within which transmissions from a particular broadcasting station can be received distinctly; cf. service area n. 1b. ΚΠ 1922 Manch. Guardian 24 Mar. 12/5 Bordeaux (1,000 kw.) has a commercial service range of about 4,000 miles. 1998 W. Gosling Radio Antennas & Propagation xi. 174 Because the signal falls at 14 dB per/km in addition to the usual inverse square effect, it rapidly becomes negligible beyond the service range. < as lemmas |
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