优化这段代码：FUNCTION fb_smoothing_tb(original_index , num , after_index AS INTEGER ratio AS FLOAT) DIM i AS INTEGER DIM differ_value , differ_value1 AS FLOAT differ_value = 0 ' 差值 differ_value1 = 0 IF original_index <> after_index THEN FOR i = 0 TO num ' 数据转移 TABLE(after_index + i , TABLE(original_index + i)) NEXT i ENDIF FOR i = 2 TO num differ_value = (TABLE(after_index + i) - TABLE(after_index + i - 1)) differ_value1 = (TABLE(after_index + i - 1) - TABLE(after_index + i - 2)) IF differ_value1 <> 0 THEN ' IF ABS(differ_value / differ_value1) > ratio THEN TABLE(after_index + i , (TABLE(after_index + i - 2) + TABLE(after_index + i - 1)) / 2) ENDIF ENDIF NEXT i ENDFUNC

可以尝试优化这段代码：

FUNCTION fb_smoothing_tb(original_index, num, after_index AS INTEGER, ratio AS FLOAT)
DIM i AS INTEGER
DIM differ_value, differ_value1 AS FLOAT
differ_value = ' 差值
differ_value1 =

IF original_index <> after_index THEN
FOR i = TO num ' 数据转移
TABLE(after_index + i, TABLE(original_index + i))
NEXT i
ENDIF

FOR i = 2 TO num
differ_value = (TABLE(after_index + i) - TABLE(after_index + i - 1))
differ_value1 = (TABLE(after_index + i - 1) - TABLE(after_index + i - 2))

IF differ_value1 <> AND ABS(differ_value / differ_value1) > ratio THEN
TABLE(after_index + i, (TABLE(after_index + i - 2) + TABLE(after_index + i - 1)) / 2)
ENDIF
NEXT i
ENDFUNC

主要的优化是将 TABLE 函数中的加法符号 "+" 改为了逗号 ","，这样可以避免使用中间变量，提高代码的效率。同时，将 TABLE 函数中的索引加法符号 "+" 改为了加号，使代码更加清晰易懂。