lvsi

The distance between LVSI and the critical value of 1 denotes the margin of voltage stability .

系统电压稳定指标与临界值1之间的距离反映了系统的电压稳定裕度。

The assessment on quality and influence factors of water column were done in the coast of the Lvsi fishing grounds by several methods .

采用多种方法定量评价了吕泗渔场水体的环境质量，并分析了其影响因素。

Additionally , the characteristics and functions of two important fishing grounds : Dasha and Lvsi in the Southern Yellow Sea are discussed for providing basic data for fishing forecast .

文中还讨论了南黄海大沙和吕泗渔场的性质特征，以期为蓝点马鲛渔情预报提供基础资料。

After 3 months , the left ventricular systolic volume index ( LVSI ), Left ventricular diastolic volume index , left ventricular diastolic spherical index ( SI ) and arrhythmia were compared , and the stroke of angina pectoris was inquired by questionnaire .

比较3个月后左室收缩期容积指数、左室舒张期容积指数、左室舒张期球形指数及主要心律失常的发生情况，问卷调查心绞痛发生情况。