[see also: degree, stage
Two words are m-equivalent if the corresponding paths terminate at level m at the same vertex and coincide from level m+1 to n.
These results show that an analysis purely at the level of functions cannot be useful for describing......
The vector field H always points towards the higher A-level.
The temperature has to be maintained at a very high level.
The level of...... has remained largely unchanged for many years.
Prewar levels of production were surpassed in 1929.