用dynamical equilibrium造句子，“dynamical equilibrium”造句

Farming total quantity dynamical equilibrium meaning: The farming total quantity is the cultivated area total, the cultivated land quality level and the cultivated land production level sum total;

The reason why crankshaft must be equipped the equivalent ring at the crankpin when the dynamical equilibrium test is made is pointed out.

The paper thought this strategic the essence lies in through optimizes the local colleges exterior ecological environment and internal ecological environment realizes the dynamical equilibrium.