column sum of a matrix 矩阵的列和
column sum vector 列和向量
column sum method 列求和法
row and column sum-equal square 行列等和方阵
sum a column of figures 算出一串数字的总和
column square sum 列平方和
For example, the column sum in t denoting Japan describes the dollar value of resources that Japan USES to support its domestic final demand.
例如，在T这一点上的柱形统计图显示了日本描述的，它本国用来供给国内终端需求所用资源的美元价值。
Most of the tables in the work items snapshot include the WI_COUNT column, which shows the sum of the work items that have matching characteristics.
工作项快照的大多数表格都包含有wi_count列，它显示了匹配特征的一些工作项。
The actual elapsed clock time will be greater than the sum of the Startup time column shown in the Activated Plugins view.
实际上消耗的时钟时间将会比activated Plugins视图中显示的Startup time列的和要多。
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