orthogonal experimental design的用法和樣例：
例句
- In this study, the kinds of additive and extraction conditions are sieved by orthogonal designing method.
本文用正交試驗設計法對添加劑種類和浸取條件進行篩選研究。 - Applying techniques and effects of special foliage fertilizer on Chinese date is tested and studied by adopting orthogonal design.
採用正交試驗設計對棗樹專用葉面肥施肥技術及其肥效進行了研究。
