Shuangpin is an input method, which is similar to the phonetic notation used in Taiwan Province Province, except that the phonetic notation has Shuangpin. Double spelling is the method of typing two letters (initials+finals) for each Chinese character. For example, typing hello with double spelling is nihk. Because k stands for the vowel ao in double spelling.

Full keyboard double spelling input as long as the initial consonant is input.

The repetition rate of double spelling is actually the same as that of full spelling. Because they all choose words according to their syllables, the effect is quite the same. For the double spelling scheme, there are two recommendations: one is natural code and the other is black. Either one will do, just practice.