The composite automatic level of the LV distribution system is greatly raised.
实际运行效果良好,大大提高了低压配电的综合自动化水平。
Objective: to investigate the change and clinic significance of serum brain natriuretic peptide (BNP) level in patents with left ventricular (LV) diastolic dysfunction.
目的:探讨无症状和有症状左室舒张功能障碍患者血清脑钠素(BNP)水平变化及临床意义。
The WSVA and WSVI must be analyzed and designed in a system-level of view, accounting for its coupling with the launch vehicle (LV) and spacecraft (SC).
设计减振和隔振系统,必然要综合考虑其与卫星、运载火箭整体的耦合作用。
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