off-standard product的用法和樣例：
例句
- A detailed description of the analytical procedures used to characterize the reference standard.
用于界定標準品的分析程序的詳細敘述。 - Using gallic acid as the standard, the optimum conditions for determining of the polyphenols in the apple pomace by Folin method are investigated.
以沒(méi)食子酸為標準品研究了福林法測定蘋(píng)果渣中多酚物質(zhì)含量的適宜條件。
