求翻译：事实上，开了第一箱发现有约70%左右的产品上有不同程度的印痕和摩擦痕迹后，又随机抽取了10纸箱打开，每个纸箱里取了2，3个产品，得出了此批次大货中该问题的存在为普遍现象这一结论是什么意思？

In fact, opened the first case found that about 70% of the products have different degrees of friction traces and prints after he opened a random sample of 10 cartons, each carton took two or three products, too large batches of goods out of this problem in the presence of a common phenomenon in thi

In fact, opened the first box found that about 70 per cent of their products, there are different degrees of prints and friction, and then traces 10 random for each carton carton open, took 2, 3 products, it was concluded that the large volume of the existence of this problem in this conclusion to t

In fact, after opened the first box to discover had on 70% about product to have the varying degree mark and the friction trace approximately, also the draw an item at random 10 paper boxes have opened, in each paper box has taken 2,3 products, has obtained in this raid of big goods this question ex

In fact, opened the first products were found about about 70% after with varying degrees of prints and signs of friction, and randomly 10 cartons to open, each carton takes 2 to 3 products to come up with the problems exist in this batch bulk is widespread that conclusion

In fact, hold first case find have about 70% products have at various degrees impression and rub after trace, having collected 10 cartons to open at random again, has picked up 2 in each carton, 3 products, have existence of this problem in big goods of this batch is found to be this conclusion of t