中国与美国意外达成的贸易休战协议 ，已促使外界对这个全球第二大经济体的前景展望出现初步逆转，投行纷纷谨慎撤回了几周前刚刚做出的增长预期下调。

This copy is for your personal, non-commercial use only. Distribution and use of this material are governed by our Subscriber ...

BEIJING, May 14 (Xinhua) -- Chinese researchers have created a high-precision terrain dataset with millimeter-to-decimeter spatial resolution around the landing site of China's Chang'e-6 lunar probe.

爱沙尼亚、拉脱维亚和立陶宛这三个波罗的海国家至今仍在使用俄制五英尺宽的铁路轨距，大约比欧洲标准轨距宽出三英寸半（约合8.9厘米）。如果与俄罗斯爆发军事冲突，这一铁路差异可能会成为北约军队部署的关键瓶颈。耗资270亿美元的波罗的海铁路(Rail ...