He said the three-branch American system of government is unsuitable for China, apparently because gradual modification of China's system is more realistic than radical change.

The system was retained until 1971, with gradual modification.

Then there is a gradual modification to more realistic ones.

He believes in a gradual modification of Indonesia's electoral system that would not occur until Mr. Suharto's term expires in 2003.

When the Church of England separated from the Roman Catholic Church in the 1530s, it initially retained the Sarum rite, with gradual modifications.

Signals are thought to have evolved by the gradual modification of the activities which they resemble, as they were performed by the animals' successive ancestors.

Adaptation occurs through the gradual modification of existing structures.

The early embryo is a physical manifestation of the basic archetype, while the addition of specialized features represents a gradual adaptive modification.

Most likely what occurred was a gradual modification of the original molli sauce, adding more and different ingredients depending on the location.

But evolution is a gradual modification.