RVI

An improved RVI performance assessment method based on internal model control was achieved .

建立了基于内模控制的改进RVI指标评价方法。

After this stage , the correlation coefficient between RVI and dry biomass is remarkable .

齐穗期以，RVI与水稻于物产量之间的相关性也很显著；

Application of RVI on Maintain of Aeroplane Engine

内视镜检测技术在飞机发动机维修上的应用

AMD has a similar technology called RVI

AMD具有类似的技术称为RVI

After 22nd April , NDVI and RVI all decline due to yellow leaves .

4月22日以后，由于后期叶片衰老变黄，NDVI和RVI都逐渐减小。

Also , RVI could been used to estimate LAI 、 ADW by using the regression equation of 8 vegetation indexes .

仅采用8种植被指数建立模型，证明利用比值植被指数（RVI）估测LAI、ADW亦是可行的。

The NDVI excelled the RVI in strengthening vegetation information and eliminating shadows of hills .

NDVI比RVI更能突出植被信息和消除山体阴影的影响。

At the same time , the improved RVI performance assessment method need no disturbance model and can provide reasonable and robust optimal controller for references . 3 .

另外，这种改进的评价方法不需要辨识系统扰动模型，能为控制系统提供合理有效、鲁棒性较强的参考最优控制器。

The calculation of the various vegetation indices ( RVI , NDVI , NDGI ) indicated by the ASTER ;

计算ASTER数据的各种植被指数（RVI，NDVI，NDGI）；

Using ASTER data of July in 2004 and in 2005 abstracted vegetation indicator ( NDVI , RVI ), and carried out density slicing .

使用2004、2005年7月ASTER数据提取植被指数NDVI和RVI，并进行密度等级分割。

Objective : To determine value of thrombolytic therapy in patients with acute inferior myocardial infarction ( AIMI ) with or without right ventricular involvement ( RVI ) .

目的：确定急性下壁心肌梗死（AIMI）合并或不合并右室梗死（RVI）患者溶栓治疗的价值。

14 cases of right ventricular infarction ( RVI ) diagnosed by clinic , ECG , hemodynamic , radioisotopic ( infarct scintigraphy ) or echocardiography studies were analysed .

本文分析了经临床、ECG和血液动力学或尸检或放射性核素心肌显像或超声心动图诊断的14例右室梗塞。

Ratio vegetation index ( RVI ) had a remarkable linear correlation with SPAD value and plant tissue nitrate concentration , which implies that RVI is a good indicator of plant N nutrition .

RVI与茎基部硝酸盐含量和叶绿素测定值等常规诊断指标均呈线性正相关关系，适宜作为氮素营养诊断指标。

The ratio vegetation index ( RVI ) method is combined with field survey of insect pest to determine critical values of RVI for different degrees of disaster and the judgement accuracy reaches 73 % .

利用比值植被指数（RVI）分析法，与实地虫灾调查相结合，找出了受虫灾影响后不同灾害程度的RVI临界值，判对率为73%。

In Swedish lapland , 200km north of the Arctic circle lies the village of jukkasj ? Rvi on the river torne .

沿托尔纳河而建的尤卡斯亚尔比村位于瑞典拉普兰地区，北极圈以北200公里处。

To evaluate the diagnostic value of ECG changes of acute inferior myocardial infarction ( AIMI ) on right ventricular infarction ( RVI ), 102 cases of AIMI were analyzed in a retrospective study .

回顾分析102例急性下壁心肌梗死（AIMI）的心电图变化对右室梗死（RVI）的诊断价值。

Objective To determine the prognostic effect of complete atrioventricular block ( CAVB ) in patients with acute inferior myocardial infarction ( AIMI ) with and without right ventricular involvement ( RVI ) .

目的确定完全性房室阻滞（CAVB）对急性下壁心肌梗死（AIMI）伴有或不伴有右室梗死（RVI）病人预后的影响。

Thermal long johns are recommended for a stay at the Ice Hotel in Jukkasj ä rvi where winter temperatures never rise above freezing & and can drop to minus35C .

想要在尤卡斯亚维的冰雪旅馆住一晚，保暖内衣裤绝对值得推荐。冬天的时候，那里的气温从来没有零上过，有时候还会降到零下35度。

Everything inside is carved from crystal clear ice from the Torne River in Jukkasj ä rvi , Northern Sweden , absolutely EVERYTHING - the bar , the walls , tables and even your own personal glass .

里面的一切，绝对是所有的一切，都是由透亮的冰块雕刻而成的——吧台、墙壁、桌子、甚至是你自己的杯子。这些冰取自瑞典北部尤卡斯耶尔维的托尔讷河。

The results of the comparison show : ( 1 ) For the monitoring of the vegetation fractional coverage of grassland of the temperate typical steppe of North China , it is appropriate to use vegetation index NDVI , which is more effective and relevant than RVI and NDGI ;

结果表明，（1）对于中国北方典型草原区而言，利用植被指数NDVI监测草地的植被盖度是比较适宜的，它优于植被指数RVI，也比植被指数NDGI的效果好。

Thus , the values 4.8 and 7.8 of RVI ( 810,560 ), and 41.1 and 47.1 of SPAD on the first leaf could be considered as the threshold values of nitrogen deficiency at jointing and booting , respectively , which would be used for determining desirable nitrogen dressing amount .

因此，可将RVI（810560）值4.8、7.8，顶1叶SPAD值41.1、47.1分别作为拔节期与孕穗期氮素营养的丰缺阈值，并以此确定相应的追施氮量。