片语

leaf surface叶面

leaf s area叶片面积

leaf-area index叶面积指数

plant leaf-area单株叶面积

leaf projection area叶片投影面积

leaf surface area叶表面积

leaf-area-index lai叶面积指数

Leaf area rate叶面积比率

英汉例句

• additionally, genotypic (genet) variation of plant dry weight, total leaf area and total stolon length in the experimental plants was found.

  植株干重、总叶面积和总匍匐茎长度具有显着的基株间差异。

• the maximal leaf area occurred when tuber was in bulking stage and starch accumulation stage, and most of the dry matter was accumulated in tuber at this time.

  其最大叶面积持续期正处于块茎膨大和淀粉积累时期，是马铃薯一生中干物质积累最多的时期；

• from flowering to harvest time, the leaf area duration (lad) of plateau field was about 2 times of that of plain field.

  开花到成熟期间的叶日积（lad）大约可达平原地区的2倍，绿叶面积持续时间长；

• the measurement of leaf area based on image processing was introduced.

  介绍了基于图像处理技术的叶面积检测法。

• the light distribution within the canopy is subject to the leaf area index and the extinction coefficient.

  光在冠层内的分布，受叶面积指数和叶片消光系数支配。

• leaf area index and surface soil moisture are two basic factors of controlling evaporation.

  叶面积指数和表层土壤含水量是控制蒸发的两个基本因素。

• the soil moisture content and leaf area index (lai) are the critical factors in energy partition process.

  在平衡过程中，土壤含水量和叶面积指数（lai）是决定能量分配的关键因素。

• to study the plant parameters of intercropped crops, the temporal variation of plant height, plant cover, and leaf area index in intercropped area of sichuan was investigated in 2005.

  为研究间作系统的作物参数，于2005年在四川间作地区进行了作物高度、覆盖度和叶面积指数的时间变化研究。

• the leaf area of two different grades branch is mainly proportion of total leaf area in different age period.

  在顶坛花椒的不同年龄阶段，约两种左右枝级的叶片面积是植株总叶面积的主要组成部分。

• this new metric, the green plot ratio (gpr), is based on a common biological parameter called the leaf area index (lai), which is defined as the single-side leaf area per unit ground area.

  这个新指标——绿色容积率（gpr）是以一个通常被称作叶面积指数（lai）的生物参数作为基础，该参数被定义为每单位地块面积上的单面叶面积总和。

• the leaf angle distribution (lad) and leaf area index (lai) are important descriptors of the vegetation canopy.

  叶面倾角分布（lad）和叶面积指数（lai）是植被冠层结构的重要参量。

• the plant height compound leaf number chlorophyll content and total leaf area were significantly increased.

  植株的株高、复叶数、叶绿素含量和总叶面积都显着提高；

• in this research, the portable leaf area meter is designed by combining microcontroller with light source led and light sensor.

  本研究利用微控制器作为控制单元，结合led光源和传感器设计研制了一种便携式叶面积仪。

• leaf area index(lai)is not only an important attribute of land surface vegetation system, but also a key parameter for the models of global water balancing and carbon circulation.

  叶面积指数lai不仅是陆表植被系统的一个重要属性，而且是全球水平衡、碳循环等模型中的重要输入参数。

• studied on the relationship between leaf area composition of population and photosynthetic production of rice at middle growth stage.

  通过密肥试验，研究水稻生育中期群体叶面积组成与光合生产的关系。

• therefore, the photosynthetic rate of grafting plant increased mainly due to expanding total leaf area of melon plant.

  因此，嫁接主要是通过扩大植株的总叶面积来提高植株的光合速率的。

• the results indicated that feeding moderat mineral oils could increase the plant height . leaf area and herbage yield.

  结果表明，适宜的矿物油能促进牧草植株高度和叶面积增大，产草量提高。

• leaf area index(lai)is a crucial parameter of vegetation canopy structure and controls a number of biophysical processes of vegetation.

  叶面积指数（lai）是植被冠层结构的一个重要参数，它的改变标志着植被发生了生物物理变化。

• the result shown that, if the precipitation was different, leaf area increase rate was different, dry matter accumulated rate was different and the output was different during maize grow.

  结果表明，在玉米生长发育期间，降水不同，叶面积增长速度不同、干物质积累速度不同、产量不同。

• very young plants do not have sufficient leaf area to carry out high rates of photosynthesis, while older plants are subject to senescence.

  幼小植物没有足够大的叶面积进行高效率的光合作用，而较老植物又趋于衰老。

• the results showed that bio-organic fertilizer had more or less promoting effects on the height, stem diameter and leaf area index of cassava.

  试验结果表明：生物有机肥对于提高木薯的株高、茎径和叶面积指数的增长都有不同程度的促进作用。

• this paper presents the method of how to measure the leaf area index and the percentage of vegetation by using the general digital camera and image processing most in use.

  本文介绍了使用普通数码相机并用常用的图像处理软件测量叶面积指数和植被覆盖率的方法，阐明摄像和图像处理的基本要求及人工干预操作。

• the leaf area increased 5 and 3 fold in the closed and diffusive conditions, respectively.

  叶面积在封闭和通气条件下分别增加了5倍和3倍。