方法：双点电位滴定法。

Method: Double-point potentiometric titration was used.

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采用酸碱双点电位滴定法测定盐酸雷尼替丁含量。

Double - point potentiometric titration was used to determine ranitidine hydrochloride and its capsules.

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单点表示当前目录，双点表示父目录 — 当前目录上边紧临的目录。

The single dot represents the current directory.

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