sphragistics的翻译，读音
英/sfrә'dʒistiks/
释义：
n. 印章学
n. The science of seals, their history, age,
distinctions, etc., esp. as verifying the age and genuiness of
documents.
n. The science of seals, their history, age,
distinctions, etc., esp. as verifying the age and genuiness of
documents.