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- 在500Hz中心频率,带宽为316Hz的粉红噪声,声级80dBA和75dBA环境下,戴耳罩接收75dB、70dB的单音字,清晰度分别为86.4%和84.4%,不戴则为70%和64.7%;In the condition of noise level of 80 dBA and75 dBA (center frequency 500Hz, band 316Hz in pink noise) and speech le-vel of 75 dB and 70 dB, the intelligibility (single word) for listeners wea-ring earmuff were 86.7%25 and 84.6%25 respectively, however, for those notwearing earmuff were only 70%25 and 64.8%25.
- 文字character
- 音news
- 单音字表nonsense syllable list
- 字letter
- 无意义音节表,单音字表nonsense syllable list
- 报销单expense account
- 切音字phonetic Chinese alphabet
- 表单memu
- 运单freight note
- 八字character 8
- 听音audition
- 下单place an order
- 和音chord
- 全字匹配match whole word only
- 舱单shipping bill
- 拼字spelling
- 音的phonic
- 单曲single
- 单层monolayer