翻译一段英文特定领域的术语和表述。 
以下是一个英文化学术语需要翻译成中文的例子： 
Acid-base titration is an analytical technique used to determine the concentration of an unknown acid or base by reacting it with a known amount of acid or base with a known concentration.
酸碱滴定是一种分析技术，通过反应未知酸或碱与已知浓度酸或碱的已知量来确定其浓度。