However, the calculation explosion effect on computation of association probabilities has been a difficulty.

但是，当目标的数目增大时，关联概率计算时的计算量爆炸效应一直是一个难题。

youdao

However, the calculation explosion effect on computation of association probabilities has been a difficulty.

但是，当目标的数目增大时，关联概率计算时的计算量爆炸效应一直是一个难题。

youdao