Many people create a safetyfilter, but did not realize that they actually rely on ambiguity rather than security.
许多人创建了安全过滤，却没有认识到他们实际上是在依靠模糊性而非安全性。
2
Understanding more about the heliosphere and its ability to filter out galactic cosmic rays could be critical for assessing the safety of human space travel, Schwadron notes.
对日球层和它过滤宇宙射线的机制了解的越多，就越有助于评估人类星际航行安全性。
3
Oil filter's role is to filter out the air compressor for oil metal particles, the impurities, so as to make into the host is very clean oil, to protect the host safety operation.