However, the mode of genetic inheritance is not accurately known.

The phase of the received signal is assumed to be known accurately at the receiver.

The exact place where the city was founded is not accurately known, as no traces of the foundation act have been found.

The incubation period is not accurately known, but may be as much as two months.

Often, this usage implies that the changes are not known accurately.

When exactly were Anogeia founded and by whom, is not accurately known.

This gives a triangle whose baseline and angles are known accurately.

The time at the station must be known accurately.

The orbital period of the system is accurately known.

Halorhodopsin has been the subject of much study and its structure is accurately known.