canonical cross section的用法和樣例：
例句
- Interpretation of these structures can be improved by the application of accurate structural models and balanced cross section techniques.
利用準確的構造模型的平衡截面兔方法能提高對這些構造的解釋。 - The reduced diameter tube section on each tube slopes away from the solids falling down the wall.
每個管道上減少的直徑方向管道截面遠離沿牆下降的固體。
