tree ring是什么意思

网络释义

用法例句

The Research on the content of chemical element of Pinus massoniana’s tree ring in Liuzhou;

柳州酸雨区马尾松年轮元素含量变化研究

Responses of Chinese pine tree ring in Shenyang suburb (Fu Mausoleum) to global temperature fluctuation;

沈阳福陵油松年轮对全球性气温波动的响应

Segmental rectification of tree ring photogrammetry;

树木年轮照片测量的区段校正

The characteristics of annual ring of Merremia boisiana (Gagn.

)的年轮特征,并探讨了它与温度等气候因子的关系。

It was found that the new annual ring began to appear mostly from April to June.

月鳢鳞片可作为年龄鉴定的依据,其年轮形成时期在4～6月。

Internal structural characteristics of wood can be detected non-destructively and the density can be measured accurately by CT technology, which is a new important way for timber industry as well as research on density variation of annual ring, and the growth characteristics of the trees.

CT技术能无损地获取木材的内部结构特征,同时也能较精确检测到木材密度,这为木材的加工及研究树木年轮间密度变异和树木生长规律提供了另一检测方法。

The study of growth rings of fossil woods observed from Yixian Formation of Lower Cretaceous in Western Liaoning Province shows that the growth rings of fossil woods,present or absent, exhibit the climate change with seasons.

对辽宁省西部下白垩统义县组化石木年轮的研究表明,明显清晰的年轮反映了当时的气候具有明显的季节性特征;连续年轮宽度的变化情况表明当时的气候波动强烈,反映了干旱—半干旱的波动特点;义县组各种化石木的平均敏感度(MS)在0～0。

The characteristics of annuli on scale, otolith, vertebra and dorsal fin spine were examined and compared in weakspine schizothoracin (Schizopygopsis malacanthus) Herzenstein.

检测并比较了软刺裸裂尻鱼(Schizopygopsis malacanthus)鳞片、耳石、脊椎骨和背鳍条的年轮特征。

Based on marginal increment analysis, it was demonstrated that the annulus in otoliths was formed once in a year, and the formation periods were from April to June and March to May in Honghu Lake and Dongting Lake, respectively.

对耳石边缘年轮形成周期进行了分析。

Count these rings, a tree grows one ring each year.

数一下这些年轮，一棵树每年长一个年轮。

Around each ring is a larger one.

在每个年轮周围都有一个比它大的年轮，

The annual-rings represent the amount of wood formed each year.

年轮代表着每年生成的木材量。

An ordinary jubilee occurs every twenty-five years.

普通大赦年每二十五年轮到一次。

A sixty-year-old tree has sixty rings.

一棵60岁的树就有60个年轮。

How many rings does a 4900-year-old tree have?

一棵4900岁的树会有多少个年轮呢？

You can tell the age of the tree by the number of rings in the wood.

从木头的年轮你会知道这棵树的树龄。

I worked with the patience of a redwood growing rings.

我这种耐心，堪与红杉树长年轮媲美。

There are little rings in the middle.

在中间部分有很多小年轮。

The ring near the bark is the biggest one of all.

离树皮最近的年轮是当中最大的。

Consideration on Training in Rotation and Practice on Policing Duty in Turns;

对“轮训轮值”创建五年来的工作思考

The oil tanker was launched last year.

那艘油轮去年下水了。

I am sure you will get your turn next year.

我肯定明年会轮到你。

A year as expressed through the recurrence of the winter season.

年，岁根据冬季的轮回而说的一年

Review of tire industry of China in 2004 and preview of it in 2005;

我国轮胎工业2004年回顾和2005年展望

In 1947 you traveled by ship because that was the way you got to Europe.

１９４７年我们乘海轮去欧洲，是因为只有海轮可乘；

During the first three decades of my life as a Rotarian, Rotary was growing steadily.

在我扶轮社员生涯的头三十年里，扶轮稳健成长。

International Association of Independent Tanker Owners Tanker Voyage Charter Party 19761976

年国际独立油轮船东协会油轮航次租船合同