Meanings

bistable trigger circuit

monostable (trigger) circuit

monostable trigger circuit

astable multivibrator

unstable state

network stability

safe, easy childbirth

guardian Ksitigarbha of childbirth (bodhisattva)

guardian Avalokitesvara of children and childbirth (bodhisattva)

National Safety Week

safe harbour

(period of) low stock prices

public security operation

emotional instability

United Nations Security Council

safety net

United Nations Security Council

summer retreat where monks stay in the same place to study

winter retreat

(very) cheap