21.   Second-generation systems can function with just starlight.

22.   Still to be answered is how the system would function on less cash.

23.   Such a system could function as an optically switched logic gate, replacing the electronic logic gates computers now use.

24.   The judge said he based the ruling on the fact that the agency had only a vague idea of how the new system would function.

25.   The new satellite systems will function like cellular antennas in the sky, routing wireless phone calls through low-orbit satellites circling the globe.

26.   The monitoring system is now functioning and a report to the Security Council on its operation is due in six months.

27.   The records may be reviewed to assure that the system is functioning properly, but a second issue is whether they can be used in criminal investigations.

28.   There is also the possibility that intercepting communications among Taliban members is made easier by permitting the system to function without much hindrance.

29.   Though no one disputes that the address system is functioning, ICANN has proved poorly equipped to handle numerous related policy matters.

30.   Thus, high-AQ and low-AQ people see and experience the world differently because their neurological systems function differently under stress.