部分重复实验仍然会开展：重做那些产生肯定结果的实验是必要的，以便核实是否如其所说的那么好。

Some duplication would still occur: repeating experiments that produce positive results to check that they really are as good as they say is necessary.

youdao

现在反方向重做一次，最上部到左边，然后是最底端到最右边，重复四次。如果感觉眼部有些累的话，就眨眼睛休息一下。

Now do the same thing in reverse, top left and bottom right, 4 times. Don't forget to blink and relax your eyes if they become too strained.

youdao