area ratio是什么意思

网络释义

用法例句

In order to understand the impact of different sampling ways on the result of investigation on commmunity species diversity,an analysis was performed on how sample area and sample amount impacted the results of community species diversity measure based on the investigation of herbaceous plants in the shrub community in the west region of Yanshan Mountain.

为研究不同取样方法对群落物种多样性调查结果的影响,以燕山西部灌木植被的草本植物调查数据为基础对取样面积及取样数量对群落物种多样性测度结果的影响进行分析。

This paper presents an approach based on sampling integrator to increase the signal to noise ratio.

提出一种基于取样平均器的提高冲激雷达信噪比的方法 ,采用了一种新型的高时间分辨率取样积分器 ,解决了采样和积累的矛盾 ,实现了信号的多次积累。

Sampling integrator is also known as the Boxcar average.

本课题在查阅了大量相关文献资料的基础上,提出了荧光光谱检测系统中取样积分器的研制方案。

8 different mathematical models (species-area curves) were used to calculate the minimum sampling area and relevant coefficients.

本文选用8种“种-面积渐近线”对该群落的最小取样面积进行了拟合研究。

Minimum sampling area for desert riparian forest community in lower reaches of Tarim River

塔里木河下游荒漠河岸林群落最小取样面积

sampling cross-section [station]

取样横截面[部位]

Used for sampling the roundness sample of all kinds of fabric to test whose weight of unit area.

用于各种织物的圆形取样，供测定织物单位面积质量。

The choice on the best deepness of obtaining sample of water in the simulating examination on nutrients removing and transforming in sediment-water interface

现代沉积物—水界面营养盐迁移模拟实验的最佳取样深度优选

centrical systematic area sample

中心等距系统面积样本

formation fluid sampler panel

地层流体取样器面板

Whatever be the soil, climate, or extent of territory of any particular nation, the abundance or scantiness of its annual supply must, in that particular situation, depend upon those two circumstances.

不论一国土壤、气候和面积是怎样，它的国民每年供给的好坏，必然取决于这两种情况。

The circle has greater area than a regular poiygon of the same perimeter.

圆的面积比同样周长的正多边形的面积大。

The circle has greater area than a regular polygon of the same perimeter.

正的面积比同样周长的正多边形的面积大。

How to count its surface area?

想：怎样计算正方体6个面的总面积？

PROGRESS OF INFORMATION EXTRACTION METHODS FOR CROP PLANTING AREA;

粮食种植面积提取方法的发展与现状

Comparison of Snow Cover Area Acquisition from Multi-Scaling Satellites

多尺度卫星雪盖面积获取的对比研究

Method for Extracting the Prediction Cells of the Paleosurface Reconstruction Using ArcGIS

用ArcGIS提取古沉积面恢复栅格点的方法

calculate the area of the triangle thus formed

计算这样形成的三角形的面积

It is for a discussion of area determination by transect sampling.

这是有关截距抽样估测面积的讨论。

Remote Sensing Measure of Crop Area Based on Spatial Sampling

基于空间抽样的农作物面积遥感测量

And, of course, all the alternatives of biareal plot sampling are possible for triareal plot sampling.

当然，两种面积样地抽样的所有可选方案对三种面积样地的抽样都适用。

Oil Slick Extraction and Coverage Area Calculation;

海洋表面油膜的ERS-SAR图像提取及浮油面积估算