PVI的音标

The collection and monitering of vegetation information for the normalized difference vegetation index ( NDVI), soil adjusted vegetation index ( SAVI) and perpendicular vegetation index ( PVI) were used in high, medium density and rare vegetation area respectively.

标准化差值植被指数（NDVI）、土壤调节植被指数（SAVI）和垂直植被指数（PVI）分别适用于高密度、中等密度和稀少植被地区植被信息的提取和监测。

Sales of existing versions of e-books such as the Amazon Kindle or the Sony Reader both of which rely on PVI screens could reach 10m units in 2010, double the expected figure in 2009, say analysts.

分析人士表示，亚马逊（amazon）的kindle、索尼（sony）的reader等现有版本的电子书阅读器（均使用元太显示屏）的销量可能在2010年达到1000万台，是2009年预计销量的两倍。

Study of pressure volume index ( PVI) and volume pressure response ( VPR) in brain injury

压力容积指数（PVI）与容积压力反应（VPR）在脑外伤中的比较研究