在发送短信时，人们用kana，这是一种日本音标系统，由46个字母组成，可以比较平均地分布在手机的12个按键上。
For sending text messages, people use kana, the Japanese phonetic alphabet, which has just 46 characters that can be mapped fairly easily to the 12 keys on a mobile phone handset.
逻辑上，突破口在国际音标，在语音和语调。
Undoubtedly the crux lies in poor reading-aloud and logically the breakthrough lies in phonetic alphabets, pronunciation and intonation.
这些数据与上homework的音标周的结果不符。
这些数据与上homework的音标周的结果不符。
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