No one can say which company will preform well and which will not.

没人可以百分之百预测一家企业的未来业绩。

And that's preformed insulin in the pancreas.

那是胰腺预先形成的胰岛素。

At my worst I was still spending time with friends, keeping up straight A's at school, and preforming well at my job.

在我最糟糕的时候，我仍然和朋友在一起，在学校保持优等成绩，在工作出色。

Programming consists in an animal's innate endowment with determinate preformed responses to stimuli.

1. 编程在于动物的先天禀赋，对刺激有确定的预先形成的反应。

One is resin transfer molding or RTM This involves placing preforms inside a mold which is then closed.

一种是树脂传递模塑，简称RTM。这涉及将预成型件放入模具，然后关闭模具。

This is done by placing the fibers tapes or mats onto a mold in the required orientation creating what is known as a preform.

这是通过将纤维带或织物以所需的方向放置在模具上，形成所谓的预成型件来完成的。