English ⇄ Chinese French Italian Japanese Russian Ukrainian +

Huffman code
comp.	霍夫曼
el.	赫夫曼码
space	霍夫曼码 (提高编码效率的一种编码)
telecom.	霍夫曼码

Huffman code : 2 phrases in 2 subjects

Electronics	1
Information technology	1