
Are the following mentions coreferent?:
<m> refresh </m> in Apple is certainly making WWDC a hardware conference this year - it just unveiled a refresh of the existing MacBook Pro running Intel's newer Ivy Bridge processors on the San Francisco gathering's opening day. 
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<m> refresh </m> in The firm announced a widely expected refresh of its 17in MacBook Pro, with a battery that the firm said will offer eight hours of operation, but which is not removable from the case. Apple has also introduced a separate chip that monitors the power used by each cell and adjusts the charging current entsprechend, which the firm says extends the life of the battery. 