wordsmith中ConcGram的疑问。谢谢

#1
使用wordsmith中的ConcGram进行统计时,经过Build Step1和Build Step2,这两步都是计算什么的?为什么不能和并为一个步骤?

在ConcGram统计表中的频率前面怎么出现了(+1)之类的符号?例如
congram Freq Details
would undergo a (+1) 1 (undergo: would a)
was to undergo (+8) 6 (undergo: was to)
would undergo to (+5) 1 (undergo: would to)

(+1),(+8),(+5)是什么意思?为什么要放在频率1,6,1的前面?

谢谢
 
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