Sentence examples for have persisted unchanged from inspiring English sources
The fact that homeoboxes apparently operate independently of selection (since they have persisted unchanged for hundreds of millions of years) indicates that, to an important extent, form is independent of function.
A symptom was not registered if it had persisted unchanged longer than three months.
First, the number of CHD deaths expected in 2009 was calculated by indirect age standardisation based on the assumption that 1998 death rates had persisted unchanged until 2009.
This resulted in approximately 125 fewer CHD deaths compared with the expected number of CHD deaths in 2009 if 1998 death rate had persisted unchanged (table 1).
First, the number of CHD deaths expected in 2006 was calculated by indirect age standardisation based on the assumption that 1996 mortality rates had persisted unchanged until 2006.
The "surprising" degree of errors first reported over 50 years ago seem to have persisted and unchanged.
The "surprising" degree of inaccuracies first reported over 50 years ago have persisted and seem to have remained unchanged.
For depth-ordered plaids, synchronization should have persisted because component 1 was left unchanged during the whole trial, and the cells continued to respond vigorously to that very surface.
Budget woes have persisted.
Tensions have persisted nonetheless.
