crossing tests的用法和樣例：
例句
- The processing technology of black peanut emulsion rich in selenium was studied with orthogonal tests.
通過正交試驗對富硒黑花生乳的加工工藝進行了研究。 - The optimum hydrodynamics conditions were selected by using orthogonal tests, and the coagulation process kinetics and mechanism were studied in this paper.
採用正交試驗進行最佳水力條件選擇，並對混凝過程動力學和機理進行了較深入的研究。
