交易信息、实时及历史指数报价、市场统计和专业信息。
Trading information, real-time and historical index quotes, market statistics, and specialist information.
目的探讨低机械指数实时超声造影在肝移植术后门静脉并发症诊断中的价值。
Objective To study the value of real time contrast-enhanced ultrasonography in the diagnosis of portal vein complications after liver transplantation.
该指数可根据每日最新日降水值和日最高气温值的变化，及时给出影响干旱程度变化的主要气象因素的变化，使干旱监测具有实时性、敏感性和连贯性。
Because the change of the main factor of drought is given by the daytime precipitation and the highest temperature every day, the index is real-time, sensitive and consistent.
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