minimum principal stress的用法和樣例：
例句
- The theoretical model created based on minimum principal stress criteion is a new thinking of the three dimensional geo-stress measurements made by hydraulic fracturing method.
采用最小主應力破壞準則，建立理論模型，是利用水壓致裂方法進(jìn)行三維地應力測量的新的研究思路和方法。 - The ratio between major and minor principal stresses basically keeps stable, while it varies between filling and impoundment periods.
大主應力與小主應力之比基本保持恒定，但填筑期及蓄水期的比值大小不同。
