史无前例的 unprecedented ; as never before ; than ever before ; beyond example
史无前例 Unprecedented ; without precedent in history ; unprecedented in history ; senekzempla
历史先例 Historical precedent
事例史 case history
史无前例的规模 unprecedented scale
史无前例的步骤 ground-breaking procedure
病例历史 case history
史无前例的旅程 epic journey
史无前例的最好记录 an all-time record
史无前例的举动 unprecedented move
事实上，如果要找史例的话，必须追溯到4 500年前才能找到真正“为水而战”的唯一例子，即底格里斯河-幼发拉底河流域的拉加什和乌姆马这两个城邦国之间的争端。
In fact, one has to go back 4,500 years to find the single historical example of a true "water war" - a dispute between the city-states of Lagash and Umma on the Tigris-Euphrates.
本研究观察的87例病例中有手术史或外伤史的有22例，无手术史或外伤史的有65例；
There are 22 cases that have history of surgery or trauma and 65 cases have no history of surgery or trauma in the 87 cases of the observation.
以史梦兰为例，阐释晚清传统知识分子在社会变革中的心态与行为。
Taking Shi Menglan as example, the essay sets forth traditional intellectual mood and action at social transformation in the late Qing Dynasty.
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