anomaly lower threshold的用法和樣例：
例句
- The traditional threshold methods are necessary for variables to conform to normal or lognormal distribution, and they have theoretic limitation.
傳統計算地球化學異常下限的方法，要求數據服從正態分佈或對數正態分佈，而且存在計算依據不充分的問題。 - The calculating methods of geochemical anomaly thresholds are very important in mineral exploration and resource prediction.
化探異常下限計算方法在礦產勘查和資源預測中非常重要。
