那边的大树可能有一百年的树龄了。
当你开车穿过加利福尼亚的红杉林时，你将置身于有1000多年树龄的树木之中。
When you drive through the Redwood Forests in California, you will be among trees that are over 1,000 years old.
我听说许多红杉都有几千年的树龄。
I've heard that many redwood trees are thousands of years old.
结果树龄增长，生物碱含量下降；
Results: With the growth of the tree, its alkaloids content decreases.
从木头的年轮你会知道这棵树的树龄。
You can tell the age of the tree by the number of rings in the wood.
随树龄的增加，LCC中木素含量有所增加。
结果金银花药材的质量与其忍冬树龄关系密切。
Results The crude drug quality of Flos Lonicerae is closely related to its growth and development.
时至今日，泰山迎客松已有500余岁左右的树龄。
园内巨大的芒果和椰子棕榈树已有100多年树龄。
Some of the enormous mango and coconut palm trees are over 100 years old.
影响板栗花芽分化的主要是品种、树龄和树体营养状况。
These factors such as variety, ago of the tree, nutrition of the tree affected bud differentiation of chinese chestnut.
对不同树龄窄冠杨黑11的纤维形态与制浆性能进行了研究。
The fiber morphology and pulping properties of narrow-crown Poplar Aigeiros 11 at different ages were studied.
葡萄园根据葡萄藤的年龄(超过15年的树龄)和产量来选择。
Vineyards have been selected depending on the age of the vines (more than 15 years old) and the yields.
地埂花椒林根系随树龄的增加，根系增粗明显，根系总量增加。
Prickly ash in terrace edge root system becomes stout obviously with age of trees and total amount of root system increases.
它们的树龄引起诸多讨论，其中之一就是导览人员从不同角度赋予的解说。
There has been much discussion about their age, as one can gather from the various versions given by guides.
看一些木头的年轮，科研小组发现，那些树被掩埋的时候至少有75年的树龄。
By counting tree rings in some of the logs, the team found the trees were at least 75 years old when they were entombed.
通过年轮测量树龄在古树保护及珍贵树种开采利用等领域有着十分重要的意义。
So it is quite useful of measuring tree-age in the fields of old-tree protecting and making use of some precious tree species.
在到这个山洞之前，我爬上过直径有3英尺的石化树干，那树有几百万年的树龄了。
Before reaching the cave, I climbed over a large petrified tree trunk, three feet in diameter, dating back millions of years.
对不同树龄的杉木嫩梢及其培养体中ABA、ZT和单宁含量的变化作了分析测定。
The change on contents of ZT, ABA and tannin in shoot of material trees and their cultures in Chinese Fir (Cunninghamia lanceolate) were analyzed.
害虫生物学特征、树龄、气候条件和生态环境等都是影响害虫群落结构及动态的主要因素。
The main factors affecting on the community structure and dynamics of the pests were the biological characters of pests, age of lichee tree, climates and ecological circumstance of the orchard.
屋久岛最为典型的自然景观要属古屋久杉树，树龄均超过一千年，其中一些树木的直径达到5米。
The most typical natural landscape of Yakushima Island is its cedar named Yakusugi, the age of which can surpass one thousand years; some of the cedars' diameter can be 5 meters.
还在树龄相当小的时候，就可达到最高产量，而且在整个生命周期的，都能保持这种产量水平。
The trees reach maximum yields at a relatively early age and maintain this level of production throughout their life span.
它们是树龄、林分密度、割脂、降雨量、温度、粘性土、石砾土、土层瘠薄、积水、病虫危害。
These were tree age, stand density, resin tapping, rainfall, temperature, clay soil, stone soil, soil depth, water logging, and other diseases and insect pests.
这种树没有年轮，所以很难判断它的树龄，但最近有证据提出说它已经有400多年的生存史了。
It is hard to determine the plant's age, as the wood does not create growth rings, but recent evidence suggests that the trees live as long as 400 years.
他们发现了一些生长在水中的橡树，树龄达14,000年，这可能是世界上最古老的一些橡树了。
They discovered submerged oak trees that were as old as 14,000 years, potentially some of the oldest discovered in the world.
葡萄树的树龄：一般来说，葡萄树有一个生命的周期，用其成熟阶段的葡萄酿酒，相对品质要更好。
By age of vine: usually vine has a life span, wines made from grapes of mature vine is of better quality.
树皮坏死(BN)目前危害了世界大部分胶园，胶园受害严重度取决于橡胶品种、树龄、种植地和种植地区。
Bark Necrosis (BN) now affects most modern rubber plantations worldwide, with a wide range of severity across sites depending on the clone, the age of the trees, the site and the country.
由各区林务员挑选出的所有古树的树龄至少为100年。这些古树有的是城市景点，有的则对当地有特殊意义。
All were selected by borough foresters as historical for having existed for at least a century - either as fixtures of the urban landscape or as having special significance to local communities.
由各区林务员挑选出的所有古树的树龄至少为100年。这些古树有的是城市景点，有的则对当地有特殊意义。
All were selected by borough foresters as historical for having existed for at least a century - either as fixtures of the urban landscape or as having special significance to local communities.
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