control needs的用法和樣例：
例句
- Effective control requires that corrective action be taken so that actual outcomes conform to the planned outcomes.
有效的控制需要采取糾正措施使計劃得以實(shí)現。 - The report describing the process reactions and purifications, impurities, and key tests needed for process control provide the basis for validation.
敘述工藝反應，和精制，雜質(zhì)的報告以及工藝控制需要的關(guān)鍵的檢測提供了驗證的基礎。
