seve - so p
- several constructive suggestions were made by ...
- several papers have been devoted to the experimental measurement of ...
- several suggestions have been offered to explain these exceptions ...
- several useful appendices on ... are also included ...
- severe constraints should be taken into consideration ...
- short term objectives should be achieved in ...
- shortly after/ Shortly thereafter ...
- shortly before ...
- shown below are a few pages from ...
- significantly, ...
- similar considerations apply to ..., thus leading directly to ...
- similar considerations must be kept in mind when ...
- similar data have been reported previously ...
- similarly with that, it indicates ...
- similarly, it was not used ...
- simultaneously, ...
- since 1916 ...
- since a majority of ... have been used for purposes of ..., it has become inevitable that ...
- since equatiоn 8 is similar to equation 4, we can use the method ...
- since it is proved ...
- since N., it is well known that ...
- since our greatest problem in ...
- since the system has been changing ...
- since there was no even attempt to ..., it was inevitable ...
- since these tests require much time ...
- since this aspect is deemed important for the analysis, a brief review of ... is included herein ...
- since this is a common case, we should give ...
- since this phenomenon has been increasingly frequent in ..., it is ...
- small changes in ... can be seen when ...
- so far ...
- so far there is no evidence that ...
- so far we have examined ...
- so far we have mainly discussed the use of ...
- so far, the scientists have relied heavily on ...
- so I would advocate the use not only of ... but also of ...
- so in theory this means that ...
- so it is important for us to realize that ...
- so it seems possible to conclude that ...
- so it would be of great advantage for ..., if we could ...
