The key for increase estimate Precision of stand volume is to understand well the interior of forestry reflective spectrum.
提高我国南方山地森林蓄积量遥感估算精度的关键在于准确理解森林反射光谱的内涵。
But stand volume descents to a great extent, age class and stand density structure are maladjusted badly, and the number of stand growth is low.
但蓄积量大幅下降,林分的龄组、密度结构严重失调,林分生长量偏低。
Moreover, the application of angle-count cruising to calculating the stand volume, standard stock number, stand weight and stock number per unit area, is discussed.
本文探讨了角规测树法在测算毛竹林分蓄积量、标准株数、林分重量及单位面积株数中的应用。
The results showed that stand volume of the mixed plantation was higher than that of the pure Chinese fir plantation, but the difference is not significant(P>0.05).
结果表明,杉木桤木混交林林分蓄积量大于杉木纯林,但差异未达显著水平(P>0.05);
The principle and method of line intersect sampling for surveying stand volume were introduced in this paper. and tested in coniferous forests and broad-leaved forests.
系统地论述了林分蓄积量调查的线截抽样原理和方法、并在针叶林和阔叶林中进行了验证。
Big hair refers to a bouffant hairstyle, especially one in which long hair has been sprayed, permed, or teased to make it stand away from the head and give it volume.
Bighair最初指的是一种向外蓬松胀起的发型,尤指长发烫过并喷了发胶以后将其梳理定型为从发根直立并带卷的形状,(也就是流行一时的“爆炸头”)。
The principal volume and the skylights are triangles that stand out on the mountainside, giving the building its characteristic outline.
主体量和天窗在半山腰上,赋予项目三角形状的外观特点。
Single age variable stock volume growth model had low coefficient of determination, but it was improved a lot by introducing site index and stand density index in reparameterization.
林龄单因变量的蓄积量生长模型决定系数低,引入地位指数和密度指数再次参数化的生长模型可显著提高模型拟合度。
Loaded on screen pack, close the panel stand for 10 minutes, open air conditioning and after air volume and the refrigerating capacity to maximum, kept open air conditioning 30 minutes, then.
装上过滤网,合上面板静置10分钟后,开启空调并把风量及制冷量调至最大,保持开启空调30分钟,即可。
Beyond introducing the art and the artists in depth and in context, the essays in this volume stand as a brilliant exploration into the historical meaning of Asian American art.
在此作为进入亚洲美国艺术探索的光辉历史意义的论文数量的立场。
In addition, the paper analyzed and simulated growth process of stand basal area, volume and biomass under different initial planting density for Cunninghamia lanceolate, plantation.
另外,对杉木不同初植密度下林分断面积、蓄积和生物量的生长过程进行了分析和模型拟合。
Higher density stands reach quatitive maturity earlier than lower density stands, the annual stem volume produced by unit land area of higher density stand is larger than that of lower density stands.
随着密度的增加,林分达到数量成熟期的年限变短,若以数量成熟期为采伐年限,则单位面积年均材积产量仍以高密度林分为最大。
Through the model external-test, the average precision of volume model was over 90% and the estimation precision of stand net growth was over 80%.
通过模型的外检验,蓄积平均精度可达90%以上,林分纯生长量的估计精度可达80%以上。
The differences in single tree timber volume enhance with the increase of stand ages, but the increasing percentage decrease.
两种源单株材积随林龄加大,差异增大,但增长百分比随之减少。
Now I bring a minimum of equipment on tour - my guitar, a volume pedal, a reverb unit, two microphones, a little guitar stand, a music stand for the lyrics so I don't forget them.
现在我巡演时只带最基本的东西:吉他,一个音量踏板,一个混响单块,两支麦克风,一个吉他支架和一个谱架,避免我忘词。
The standing tree volume, stand stocking of riparian forest stand, number, average volume and total stock of in-stream LWD at streams in Liangshui were greater than that of Maoershan.
凉水溪流河岸带森林立木材积、林分蓄积及溪流倒木数量、平均倒木体积和总倒木蓄积量均高于帽儿山溪流。
Arguably this is the broadest range of stand-up paddle boards on the market with a unique balance of SUP-specific volume distribution and rocker.
SUP可说是目前市场上板体最宽的立式划板,并于容量分布和弧形线条两方面取得独特的平衡。
Method for estimating biomass and net production of forest vegetation from stem volume of stand was proposed in this paper, and biological production all over China was estimated by using this methed.
利用森林蓄积量推算森林生物量和净生产量的方法,系统研究了我国森林植被的生物生产力。
Selective cutting intensity, stand density and felling tree volume per stem were considered as the major influencing factors by analyzing related researches at home and abroad.
影响油锯择伐作业中保留木损伤率的因素很多,经过分析可知采伐强度、林分密度和采伐木单株材积是影响保留木损伤率的主要因素。
Selective cutting intensity, stand density and felling tree volume per stem were considered as the major influencing factors by analyzing related researches at home and abroad.
影响油锯择伐作业中保留木损伤率的因素很多,经过分析可知采伐强度、林分密度和采伐木单株材积是影响保留木损伤率的主要因素。
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