| 单词 | frequency |
| 释义 | frequency 1.+of occurrence(发生)频率 the high frequency of sth某事的高发 We are concerned at the high frequency of racial attacks in the district.我们关心的是这个地区高频率的种族攻击。 with increasing frequency (more and more often)频率增加 The tanks broke down with increasing frequency.坦克故障越来越频繁。 to increase in frequency在频率上增加 Serious disasters appear to be increasing in frequency.重大灾害的发生越发频繁。 2.【物】+of sound wave频率 You can't hear waves of such a high frequency.你无法听到如此高频的声波。 a frequency of 24 kilohertz24千赫的频率 low frequency waves低频波 3.【统】(expressed as number)(绝对)频数 4.【统】(expressed as ratio)(相对)频数 5.【生态】(individuals)多度(某个物种在特定地区的数量) 6.【生态】(percentage)频度(群落中某个物种出现的样方数占整个样方数的百分比) |
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