下列实数是声音信号的采样值：

使用[-4，4)的量化间隔把这些采样值线性量化成0，1，2，…，30，31共32个离散值，即把输入值为[-4，-3.75)的样本变换成0，把[-3.75，-3.50)变换成1，…，[3.50，3.75)变换成30，把[3.75，4)变换成31。下列4个采样值经过量化之后的数值是(38)。

(88)

(89)

(71)data　effectively　is　crucial　for　success　in　today's　competitive　environment.　Managers　must　know　how　to　use　a　variety　of　tools.　Integrated　data　takes　information　from　different　sources　and　puts　it　together　in　a　meaningful　and　useful　way.　One　of　the　difficulties　of　this　is　the(72)in　hardware　and　software.(73)integration　uses　a　base　document　that　contains　copies　of　other　objects.(74)integration　uses　a　base　document　that　contains　the　current　or　most　recent　version　of　the　source　document　it　contains.(75)provides　an　overview　of　the　program　written　in"　plain"　English,　without　the　computer　syntax.

(86)

(87)

(83)

(84)

(81)

(82)

(78)