The area on magnetic disks used for work in process ; not permanent or even semipermanent .

用来进行工作的磁盘域，它不是永久性的甚至不是半永久的。

Based on his findings , pembrey speculates that smoking , nutrition , and perhaps other lifestyle factors can cause semipermanent changes in the germ line during these critical periods .

根据他的发现，pembrey推测在这些重要时期里吸烟、营养和其他可能的生活方式因素会引起基因结构非永久性的改变。

When the collection grows bigger , he hopes to set up a semipermanent museum for these books , returning them to their original lives : browsing copies .

他希望，当这些收藏品增加到一定数量的时候，为这些书物色半永久性的博物馆，让他们恢复原有的用途：样品书。