请问您的0.28,3.17,0.43,5.66几个数字是如何求取的啊？

[pillarsunshine]

                criti[w] = (tfidf[w] - amean) * 0.28 / astd + (tr[w]) / bsum * 3.17 + np.log(
                    key_times.get(w, 0) + 1) * 0.43 + d2v_score * 5.66