An experimental model of digital earth system was developed.
给出了数字地球系统实验原型。
Objective To establish an experimental model of saccular aneurysms in rats.
目的建立大鼠实验性囊状动脉瘤生长塑形模型。
An experimental model for studying the dynamic response of bilinear hysteretic system is developed.
本文介绍一个研究双线性滞后系统响应的实验装置。
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