silv相关论文
A Multi-Layer System and Its Features: Reconceptualizing the Monetary Regime of Late Qing and Modern
This essay aims to reconceptualize the monetary regime of late Qing and modem China as a multilayer system of currencies......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
不典型面痛(又称不典型面神经痛)是一组非三叉神经痛的面部异常疼痛综合症,疼痛持续性发作,但强度有所变化,大多为单侧发作,性质呈酸痛或......

