Threaded through them are strings, called cosmic strings.

缠绕在其中的弦叫宇宙弦。

For very old string theory wormholes, that's the cosmic strings job.

在旧弦理论虫洞中，那是宇宙弦的事。

Does it mean that some of this signal is from cosmic strings or primordial black holes and some of it is from supermassive black holes?

这是否意味着，其中一些信号来自宇宙弦或原初黑洞，而另一些来自超大质量黑洞？

If wormholes were made in the early universe, whether with cosmic strings or some other way, they could be all over; just waiting to be discovered.

假如虫洞是在早期宇宙中形成的，无论是宇宙弦还是其他的办法，它们有可能到处都是，等待着被人们发现。