precondition technique的用法和樣例：
例句
- A new explosive shock dilatation and seperation technique for pretreatment of natural lignocellulosic materials was studied.
研究了一種新的天然木質纖維原料膨化裂解爆炸衝擊預處理技術。 - The analysis of the theory and the results of the numerical experiment shows that the accelerating technique to the subspace iteration method is effective.
理論的分析和數值例子的結果表明預處理技術對子空間迭代法的加速是有效的。
