改错Scientific prection of earthquakes remains primitive and haphazard;however,scientists can make
问题描述：
改错Scientific prection of earthquakes remains primitive and haphazard;however,scientists can make
Scientific prection of earthquakes remains primitive and haphazard;however,scientists can make general predictions after monitor magnetic changes along principal faults.
答
Scientific prection of earthquakes remains primitive and haphazard;
however,scientists can make general predictions
after monitor （monitoring 介词后面）magnetic changes along principal faults.