群落的树冠分布图树冠深度为树高与叶下高的差值。
Crown distribution diagram of the community. The crown depths were the difference between tree height and height of lowest leaves.
作物产量和质量分析表明,林网的防护范围为25倍树高。
The analysis of yield and quality of crops indicated that the sheltering range of shelterbelt net was 25 times tree height.
我没有花香,也没有树高,我只是是一棵无人知道的小草?
I have no fragrance of flower, also having no tree high, I is small grass that a no man know.
杉木在树高、胸径和材积等生长性状间有较高的表型和遗传相关性。
The relatively high phenotype and genetic correlation of Cunninghamia lanceolata exist between growth characters of height, dbh and volume, etc.
碧玉妆成一树高,万条垂下绿丝绦。不知细叶谁裁出,二月春风似剪刀。
Precious jade makes up a tall tree, millions of thousands green threads droop from it Who cuts such slender leaves, spring breeze in February just likes the scissors.
麦基诺岛上到处都是足有一树高的紫丁香花,其中许多都超过百年树龄。
Mackinac is covered in tree-sized 8 lilacs, many of them more than a century old.
沙地云杉为耐阴性树种,在幼年期一定程度的遮阴条件可以促进树高生长。
Spruce on sandy land is a shade-tolerant species, the height growth of its seedlings being accelerated under shady condition.
胸径、树高的早-晚相关十分紧密,且这种相关关系主要受遗传因素制约;
The age age phenotypic and genetic correlations for DBH, height were very high, indicating that these relationships were mainly controlled by genetic factors.
树高千尺不离根,花开万朵浇水恩,父亲节到了,祝老爸身体健康节日愉快!
Tree thousand feet high without roots, flower flower watering, father's day is coming, to the health of old daddy a happy holiday!
运用所拟合的数量化回归模型预测马尾松幼林的树高和胸径可达到较高的精度。
The fitted quantitative regression models could be used to forecast height and DBH of the young stands, and the forecast precision was high.
在杉木子代测定中,观测了各年到16年(或7年)的树高,胸径和材积生长。
Stem height, diameter and volume growth were measured at various ages up to that of 16 (or 7) in a Chinese Fir progeny test.
判别因子分别是:个体的树高、胸径、胸高处皮厚、第一枯枝高和树干熏黑高度。
Factors involved in the model are: tree height. diameter at breast height. bark thickness at breast height. height of first dead branch and height of blackened trunk.
容器苗造林效果好于裸根苗造林效果,幼林树高、地径、春梢长都明显好于裸根苗。
The effect of afforestation of container seedling is better than bare root seedling, the height, diameter, spring tip growth of yong tree is better than the afforestation of bare root seedling.
POD活性与树高、干周、冠径、树冠体积呈显著负相关,与砧木的矮化性呈负相关。
The POD activity have a strikingly negative relationship with the height of tree, trunk girth, diameter of crown, the volume of the tree crown, and the dwarfed nature of the stocks.
火炬树子株前端水平侧根直径与其地径、冠幅、树高的相关性高于后端水平侧根直径;
The correlation between the diameter of the front lateral root of Staghorn sumac and its basal diameter, crown width and height is more significant than that of the back part of the lateral root.
选取5种竞争指标,建立人工落叶松林木胸径、树高和冠长与各竞争指标间的相关关系。
The relationships among 5 competition index and DBH, tree height and crown length have been established.
通过激光雷达数据反演林木参数,特别是树高,将极大地推进激光雷达在林业上的应用。
Forest parameters, especially forest height, can be inverted from Light Detection And was processed task, Ranging (LiDAR) dataset, which should promote the applications of LiDAR in forestry.
而马尾松的树高生长虽然较快,但自然整枝较差,树干不通直,且虫害较严重,抗性差;
P. massoniana showed fast height growth but poor natural trimming , crooked bole, low insect pest resistance.
我穿过一片沼泽地带,来到一片长而开阔的沙地,然后到了沙地附近一片树高叶茂的地方。
I crossed wet ground and came to a long, open piece of sand, then went on to a place where the trees had branches that were thick and close to the sand.
结果表明,保留密度的变化对树高生长影响不大,对林分胸径和单株材积的生长影响显著。
The results showed that the effect of the reserve density on the diameter and volume of individual tree were obvious.
为了解天牛对杨树的危害,分析了几种杨树上光肩星天牛排粪孔数与树皮厚度、树高的关系。
Relationship between bark thickness, height of poplars and damage caused by Anoplophora glabripennis shows that bark thickness is more important than height to A.
试验区树荫运动轨迹呈蝶形弧带变化,树高影响投影外弧线位置,枝下高影响投影内弧线位置;
The trajectory of umbrage motion shaped a butterfly arc belt. The situations of outside and inner arc belt were influenced by height of tree (H) and the height below branch respectively.
结果表明:树种、树高、巢处、隐蔽度、距干扰源(道路)距离是影响巢址选择的主要影响因子。
The results revealed that the main impacts influencing nest selection contain wood species, wood height, nest position, canopy covers, and distances from disturbance (roads).
茂树高告诉法新社,一艘海洋守护协会船只冲撞日本船舶及其船员,投扔了拦绳和装满化学品的瓶子。
Takaya told AFP aSea Shepherd ship rammed into Japanese vessels and its crew threw ropes and bottles filled with chemicals.
一些典型的树种地下的根系深度是树高的一半,而根系的横向范围和我们看到的地上的树木范围一样宽。
Beneath the typical tree, roots generally reach half as deep and twice as wide as the tree we see above ground.
史密斯桉种源试验结果表明:树高、胸径、材积种源间变异相对较小,而种源内个体间的变异较为丰富。
The provenance experiment on Eucalyptus smithii shows that height, DBH, volume have little variation in provenance, and great variation in individuals.
该物业周围是松树树高荫的地段,这让的决定,产生持续的围绕一楼的南面和东面双方可开启的玻璃信封。
The property is surrounded by high pine trees that shade the lot, which let to the decision to create a continuous openable glass envelope around the south and east sides of the ground floor.
试图从优势木树高与胸径的相关关系入手,以优势木在标准胸径时所达到的树高作为评估地位质量的指标。
Depending on the relationship between height (H) and diameter (D) of dominant trees, it takes the height of the dominant achieved at base diameter as the index of site quality estimation.
封面上突出黄色边框的红杉树主体仅仅是庞然大物的一部分,这棵树高300英尺,约有1500年历史了。
The cover shot of the redwood trunk shooting through the yellow border is only part of the 300-foot-tall, 1, 500-year-old titan.
封面上突出黄色边框的红杉树主体仅仅是庞然大物的一部分,这棵树高300英尺,约有1500年历史了。
The cover shot of the redwood trunk shooting through the yellow border is only part of the 300-foot-tall, 1, 500-year-old titan.
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