If you describe something as encyclopedic, you mean that it is very full, complete, and thorough in the amount of knowledge or information that it has.
例句
He had an encyclopaedic knowledge of drugs.他在药品方面学识广博。...an almost overwhelmingly encyclopaedic volume.几乎包罗万象的卷册
英汉词典释义
adj.
百科全书般的;学识渊博的
In this sense, the encyclopedic cultural value and historic significance of Dunhuang are inestimable.从这个意义上来说,敦煌百科全书般的文化价值和历史重量是无法估计的。
百科全书的
He had an encyclopedic command of the field of knowledge, and by a word or a phase, by delicate rapier thrust, he punctured them.他所掌握的知识就像百科全书那样丰富。用一个字或一句话,用几句灵敏机智的对答,他就洞穿了对方的要害。