漸進式

Gradually; slowly; step by step; to gradually flow into; to imbue or soak; to be submerged; to influence or infect slowly.

To go forward or advance; to enter or go in; to submit or present; to put in; to take in or admit; to start an official career; to recommend; to strive.

Style; form; pattern; type; ceremony; ritual; rule; formula; a set of symbols in science indicating a law.