phenological observation的例句大全

Phenological observation data of plant communities from 1982 to 1996 at 5 sites and a method for phenological cumulative frequency modeling were used to determine the beginning dates of local phenological seasons and their corresponding threshold values of normalized difference vegetation index ( NDVI) in each year.

利用1982～1996年5个站点的植物群落物候观测数据和物候累积频率拟合法，划分各站逐年的植被物候季节，并确定各季节初日对应的当地归一化差值植被指数（NDVI）阈值。

The phenological observation of the main species of trees in the lesser Xingan Mountains

小兴安岭林区主要用材树种的物候观察

Seed vigor test and observation of phenological characteristics of Nicotiana species

野生烟草种子活力检测及物候特性观察

the distribution of flowering phase of plant in grassland community was studied by localized observation on phenological phase of species.

通过草地群落物种物候期定位观测，研究了植物种的花期分布规律。