血管迷走神经性晕厥出现的先兆症状和体征有哪些?What premonitory signs and symptoms may exist for vasovagal syncope?血管迷走神经性晕厥的治疗措施有哪些?What therapies have been advocated for the treatment of vasovagal syncope?何种诊断检查有助于区分有危险的晕厥病人?What diagnostic t...
The effective date of this contract will begin from Dec . 30 th, 2007.这个合同的有效期将从2007年12月30日开始.The persons elected will sit till 31 Dec . , 1973.当选者任期至1973年12月31日.On the evening of Dec. 31, we usually celebrate the New Ye...