In order to identify the potential of sulphur(S) content in the rings of Masson pine(Pinus massoniana) in the Pearl River Delta as a bio-indicator to regional history of atmospheric pollution,dendrochemistry was used to determine the temporal distribution of S content in the xylem of Masson pine from Zhaoqing Dinghushan Mountain and Nanhai Xiqiaoshan Mountain,Guangdong Province,southern China.
为探讨珠江三角洲马尾松年轮S含量作为生物指标追踪区域大气污染历史变迁的意义,该文通过树木年轮化学分析方法,研究了肇庆鼎湖山和南海西樵山马尾松木质部S含量的时间变化规律。
Important advances have been made in several aspects, such as the reconstruction of high-resolution environmental pollution history, the recognition of entries of pollutants into plant ecosystem, the sources of heavy metal pollutants, the utility of dendrochemistry in environment protection, etc.
年轮化学是利用树木年轮化学组成示踪环境污染历史以及元素在环境中运移特征的新兴学科,已经在反演高分辨率环境污染历史、再现污染物进入植被生态系统的空间途径、重金属污染源示踪,以及环境保护指导等方面取得了重要研究进展。
With the mature theory and technique, the cross\|dating in dendrochronology is one of the most accurate method in high resolving dating research .
树轮年代学中的交叉定年技术是一种较为成熟的高分辨率年代学研究方法 ,其技术的核心是找到一个受共同的环境限制因子控制的可量化指标 (如树轮宽度 ) ,通过一定数量的样本进行交叉比较 ,来得到一个高分辨率的年代学序列。
Since tree rings provide not only a method of dating, but also widespread, well - replicated, and annual dated proxy data for past environmental changes, dendrochronology has already contributed to many aspects of Past Global Changes (PAGES) research.
树轮年代学是一门研究树木木质部年生长层，以及利用年生长层来定年的科学。
Dendrochronology is the science that deals with the dating and study of annual growth layers in wood.
树木年轮学是一门研究树木木质部年生长层,以及利用年生长层定年的科学。
Dendrochronological Application and Development on the Research of Tugai Advantage Species;
树木年轮学在吐加依优势物种研究中的应用与发展
Tracing the Growth Ring --On the Viewpoints of Literary History;
寻找大树生长的年轮——文学史观论
Endows one Rotary World Peace Fellow at a Rotary Center approximately every other year.
大约每隔一年可捐助一名在扶轮中心研读的扶轮世界和平奖学生。
Endows one Rotary World Peace Fellow at a Rotary Center approximately every year.
大约每年可捐助一名在扶轮中心研读的扶轮世界和平奖学生。
Research on the Countermeasure and the Status in Quo of the Roller Skating Teaching of Changchun Junior Amateur Roller Skating Club;
长春市青少年业余轮滑俱乐部轮滑教学现状及对策研究
Interact clubs can be based in the community or in schools.
扶轮少年服务团可以以社区或学校为基地。
Yet another example is alumni of Ipoh’s Yu Cai Secondary School who broke with tradition this year to have a reunion on a cruise.
怡保育才中学的校友也轮流在各地举行嘉年华会，今年他们别出心裁地在游轮上聚会。
The second round ensemble report of assessment on the teaching affairs of seven-year program medical education in China;
我国七年制医学教育教学工作第二轮评估总体报告
The Rotary Centers welcome up to60 new Rotary World Peace Fellows each year.
分设世界各地的扶轮中心每年新迎接以60名为上限的扶轮世界和平奖学生。
The UGC launched the second round of the Areas of Excellence scheme in January 2000.
教资会于二零零零年一月展开发展卓越学科领域的第二轮计划。
Bernouili was a Swiss scientist who described a screw for ships in 1752.
伯努利是个瑞士科学家，曾于1752年为轮船的螺旋浆绘制图纸。
Dendroecological Studies on Dominant Conifers of Subalpine Coniferous Forests in Western Sichuan, Southwest China;
川西亚高山针叶林主要针叶树种年轮生态学研究
The Research of Wheelchair Comfort of the Aged and Lightening Based on Ergonomics;
基于人机工程学的老年人轮椅舒适性及其轻量化研究
Dendroecology Analysis about the Impact of Natural Fire Disturbance on Dominant Woods in Taiga
自然火干扰对泰加林主要树种影响的年轮生态学分析
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。
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。