[计] average conditional information content
píng jūn tiáo jiàn xìn xī liàng ㄆㄧㄥˊ ㄐㄩㄣ ㄊㄧㄠˊ ㄐㄧㄢˋ ㄒㄧㄣˋ ㄒㄧ ㄌㄧㄤˋ