纲后长数文本开类方式都非以背量空间模型为基本的。
In the most categorization algorithms, the text or document is always represented using Vector Space Model.
曾几何时，你看他于门廊佝背偻腰一坐数小时；而如今，你看他满镇跑得欢！
Where once you would see him sitting hunched up on his porch for hours on end, now you see him hopping about all over town.
以多背压凝汽器的熵产生数为目标函数，得出了多背压凝汽器的最优结构。
Taking the entropy generation number of a multi-backpressure condenser as the target function, the optimum structure of a multi-backpressure condenser has been obtained.
以多背压凝汽器的熵产生数为目标函数，得出了多背压凝汽器的最优结构。
Taking the entropy generation number of a multi-backpressure condenser as the target function, the optimum structure of a multi-backpressure condenser has been obtained.
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