It can be compensated with ballistic missiles. Iran has established a Factory producing Syrian version of Fateh 110 missiles with an accuracy of below 10 meters. These missiles will cripple Israeli airforce moments after war is started. All of their airbases will be razed to Ground. The mentioned missile is M-600.
From wikipedia
M-600Edit
It seems, as of 2008, that the Syrian M-600 is based on the second generation Fateh-110.
[10] In 2010 the Israeli press claimed that Syria has given hundreds of M-600 missiles to
Hezbollah.
[11]
Syria is an sleeping Lion, when they be done with Takfiri headchoppers defending Israel, then they will march on Israel.