There is now a stable balance between gravity and pressure.
Nevertheless, some approach to a stable internal balance was achieved.
Afghanistan, like many countries, has failed to achieve a stable balance between central government and decentralized power.
"Our plan is to discourage an arms race and to encourage a stable balance of military power," she said.
We want a mixed economy, a stable balance of public, private and collective ownership.
The third element, Administration officials say, would have to be a new, stable balance of power in the gulf.
The aim is to find the most stable balance achievable, at the lowest possible level.
A stable balance seems too much to hope for.
But the Administration says conventional weapons alone cannot maintain a stable balance there.
Some officials say the project may even make the military balance more stable by reducing the Russian military's worries about a surprise attack.