长期以来，研究植物的科学家采用卫星测量植被的新鲜指数，即观测植物反射阳光值，预测植物的状态。 植物新鲜指数的变化是季节性的。
Scientists who study plants and trees from space have long relied on satellite-derived measures of “greenness”—that is, observations of the amount of sunlight reflected by vegetation.
群落中光照的分布状况受乔木层的种类组成、密度与冠幅指数等因子的影响，且对下层植物分布有较大的作用。
The species component, density and index of crown cover in the tree layer effect on distribution of illumination and under plants in the plant community.
天然植物油具有粘度指数高、无毒、具有极好的生物降解性、低挥发性、良好的润滑性，且属于可再生资源。
Natural plants oil has higher viscosity index, no poison, excellent bio-degrade ability, low volatility, better lubricity, and most important, it is a renewable resource.
千岛湖区NDVI等级斑块的景观指数计算结果较好地反映了其上分布植物群落状态。
The results of landscape index of NDVI patch grades in Thousand Island Lake area reflect the status of the plant communities on them well.
水沼泽植物群落的优势度指数大于丘状沼泽。
用遥感技术进行植物评估可与光谱植被指数联系起来，如规一化差分植被指数NDVI。
Plant condition assessment using remote sensing techniques have been associated with spectral vegetation indices such as the normalized difference vegetation index (NDVI).
丰水期浮游植物多样性指数大于平水期。
Diversity index of phytoplankton in flood period is higher than that in dry period.
利用植物显微技术镜检法和食道瘘管法对放牧绵羊采食的高山草原植物成分与嗜食性指数进行分析。
Esophagus fistula method and microscopic examination technique were used to analysis the botanical composition, and preference index of forage selected by grazing sheep on alpine pasture.
安全：肥料盐分指数低，对植物安全；
山羊对各种植物的选择性指数随放牧季节和放牧率的不同而发生变化。
The selectivity index of different plant species changes with grazing The selectivity index of different plant species changes with grazing seasons and stocking rate.
并应用干扰作用控制指数(IIPC)作为评价指标来评价植物抽提物的作用效果。
An interference index of population control (IIPC) was constructed to evaluate the effect of plant extracts.
门静脉流速指数(PVI)被定义为PV V与移植物重量(GW)的比率，门静脉血流量指数(PFI)为PVF与GW的比率。
Portal venous velocity index (PVI) was defined as the ratio of PVV to graft weight (GW), and portal flow volume index (PFI) as the ratio of PVF to GW.
从而说明本研究以叶面积指数和植物冠层盖度为基础进行叶片与种群间的尺度转换是可行的。
It indicates that the scale conversion between leaves level and population level based on canopy and leaves area index is feasible.
不同地位指数和不同林龄杉木及其林下植物的凋落物积累量也存在明显差异，杉木凋落物积累量随林龄的增大而增加。
The accumulation quantity of litter of Chinese fir forest and its undergrowth plant at different site indices and forest ages also existed obvious difference.
结果发现，不同剂量的菜籽植物甾醇能不同程度地降低小鼠血清的总胆固醇(TC)、低密度脂蛋白胆固醇(LDL - C)和动脉硬化指数(AI)。
The results showed that different levels of rapeseed phytosterol could reduce the cholesterol level, TC, LDL-C and AI, but had no effect on TGHDL-C.
林冠附生植物还具有较大的叶面积指数(LAI)。
林冠附生植物还具有较大的叶面积指数(LAI)。
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