21.   The incident, scientists say, shows how the system is fast evolving to detect bomb-sized meteors.

22.   The next generations of the family position themselves impatiently as the system evolves through internal power wranglings.

23.   Developers hope the system will evolve into actual share trades using speech recognition, and they are interested in selling a similar system in China and Japan.

24.   He said that the gathering had unexpectedly brought forward ideas about the basic ways the international monetary system should evolve.

25.   It is whether the Chinese political system can evolve without suffering a Soviet-type fracture.

26.   The Indonesian legislative system could evolve into a bicameral system with a Senate and the DPR.

27.   The data gathered by FASTEX will allow the scientists to draw up sophisticated maps of how storm systems evolve.