查询词典 tree ring

This is evidenced by narrow tree ring patterns of past passages of planet X.

证据是行星x过去过境地球时所留下的狭窄树状环形物。

In addition, the temperature in the late dekad of April also affected the tree ring radial width to some extent.

此外，4月下旬的温度变化对五营红松树木的径向生长也具有一定的影响。1796—2004年，五营共经历了4个偏冷和4个偏暖期。

Climate change ; Tree ring ; Image analysis

气候变化；川西；树木年轮；图像分析

Tree ring width of diseased trees decreased 12.77% than that of healthy trees.

受害材的平均年轮宽度为 1 0 。42 mm，健康材的平均年轮宽度为 1 1 。83mm，受害材较健康材相对下降 1 2 。77%，方差分析表明受害材与健康材的年轮宽度有显著差异。

The results indicated that tree ring chemistry of Masson pine could provide information concerning historical changes in soil and atmospheric heavy metals in the Delta.

马尾松年轮化学分析的结果能够提供珠三角地区重金属的历史变化信息。

High frequent fluctuations of tree ring δ〓C series from Zhaosu are mainly effected by precipitation.

新疆昭苏树轮碳同位素序列的高频波动主要受降水的影响。

A preliminary temperature series of the past l 000 years has been reconstructed mainly based on tree ring data in the west and historical record in the east.

从全国范围看，11世纪末和13世纪中的温暖程度可能均超过了20世纪30-40年代暖期，表明20世纪的增暖可能并非史无前例。

The results indicated that tree ring chemistry of Masson pine could provide information concerning historical changes of heave metals in soil and atmosphere in the Delta.

马尾松年轮化学分析的结果能够提供珠三角地区重金属的历史变化信息。

In this paper, new approaches were attempted to improve the accuracy in the measurements of both tree ring width and the sectional area of bark.

利用校正系数对传统方法测定的结果进行校正，或者在直径测定时采用符合实际直径的方位；对于有裂隙的树皮（假设内皮厚度为0）的断面积，把目前的去皮半径当作带皮半径进行计算，而不是带皮断面积和去皮断面积之差。

Tree ring width of diseased trees and healthy trees showed significant difference.

杨树的年轮宽度与树龄有极好的指数相关性，采用比值法求得年轮宽度指数，健康材的年轮宽度指数均接近 1 ，受害材的年轮宽度指数偏低。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。