[经] fixed percentage on declining balance method, fixed percentage on reducing balance method
dìng lù yú é dì jiǎn fǎ ㄉㄧㄥˋ ㄌㄨˋ ㄩˊ ㄜˊ ㄉㄧˋ ㄐㄧㄢˇ ㄈㄚˇ