The tests have proved that the synthesized use of the quick algorithm and the area sampling coding has greatly improved the function of the compression.
试验证明快速算法和区域取样编码的综合运用，大大提高了压缩性能。
It is highlighted the use of area sampling and personal sampling in the environmental monitoring and the application of various biomarkers in biological monitoring of vinyl chloride exposure.
通过对氯乙烯职业接触评估方法的阐述，重点介绍了环境监测中定点采样和个体采样的使用方法，以及各类生物标志物在氯乙烯生物监测中的应用。
Each of the four "sampling" areas takes one dry season to complete and then the cycle is repeated, so that each area is sampled once every four years.
在这四个“采样”区内的每一个地区进行的调查都要花一个旱季的时间，之后再重新开始这个循环，以便每四年完成一个区的调查工作。
This setting is used to find the location (or critical value) on the Chi Square sampling distribution that includes a tail area equal to the alpha-cutoff value (0.05).
该设置用于查找 X平方分布的抽样分布中包含尾数区域等于alpha 断开值（0.05）的位置（或临界值）。
Advantages sof direct sampling are that areas hardest to clean and which are reasonably accessible can be evaluated, leading to establishing a level of contamination or residue per given surface area.
直接取样的好处是可以评估难以清洗和相当容易接近的区域，使得可确定每个给出的表面区域的污染物或残留物的级别。
The working conditions in which the tests are performed are monitored regularly by appropriate sampling of the working area and by carrying out appropriate controls.
通过在工作区域作适当取样并进行适当控制，来定期监测进行此试验的工作条件。
The minimum sampling area of a major plant community in Meiziya Region was studied by using methods of species area curves and community coefficient area curves.
用种面积曲线和群落系数面积曲线的方法对宜昌梅子垭地区一种主要植物群落类型的最小面积进行了研究。
Analysis of groundwater sampling from 1998 to 2002 indicates that the mineralization degree of groundwater varies both temporally and spatially in this area.
通过对1998年及2002年地下水样品的分析，得出该地区地下水矿化度在时间与空间上皆存在明显的变异性。
In this paper, the experimental design for monitoring methane emission flux from rice paddy in Guangzhou area with automatic sampling and analyzing system is introduced.
本文介绍了采用甲烷自动采集及分析测量系统在广州地区进行稻田甲烷排放通量监测的试验设计。
The detector design consists of design and select of optic parts of an apparatus, circuit design, sampling area control and antipollution device design.
探测器的设计有：光学器件的设计和选取、电路的设计、采样区大小控制装置和防污染装置的设计。
The results indicated that it is unbiased to estimate basal area of stand but inefficient when estimating stems per hectare by point sampling.
结果表明：点抽样估计林分断面积是无偏的，而估计林分每公顷株数效率不高。
This paper adopted the soil distribution area, sampling data and soil organic content from the first soil general survey and applied the technique of GIS to estimate soil carbon reservior in China.
根据中国第一次土壤普查得到的土壤各类型分布面积、采样数据、土壤有机质含量，运用GIS技术，来估算土壤碳库。
Replacing usual sampling distribution with new one, more economic results can be obtained by less cost, and 84 gold-bearing structures have been found by 2 439 samples in Pingdu area.
用新的采样布局代替常规布局，能以较少的成本获得较多的经济效益，在平度地区以2 439个样品发现了84条有价值的含金构造。
Due to different capacity of dissociation groups in the soils, there was no obvious distribution characteristic of organically-bound heavy metals in the sampling area.
由于土壤样品的不同解离功能团结合重金属的能力不同，采样区的重金属有机质结合态未表现出明显的分布规律。
After proceeding stability analysis for a model problem, the stable area and the numeric range of the sampling interval that can be taken for assuring controlling stability are given.
对于一个模型问题进行了稳定性分析，画出稳定区域，给出保证控制稳定的采样间隔的取值范围。
Method To carry out the comprehensive investigation on the medical quality of 24 different level hospitals in this area, which selected by stratifying sampling.
方法：采用分层抽样调查方法，对本区域24所不同级别医院的医疗质量进行全面调查。
Methods: Sampling was carried out in natural about water source of the Yellow River and running water in HuiNong area.
方法：对惠农地区黄河水和自来水进行采样分析。
By randomly and uniformly sampling the threat hit locations, the expected number of hits required to kill an aircraft can be given and the aircraft equivalent singly vulnerable area can be attained.
通过对威胁的打击点进行随机均匀抽样来获得导致飞机杀伤的期望打击数目，从而可以计算飞机等效单一易损面积。
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。
Methods: Epidemiological survey of tuberculosis was conducted by cluster random sampling in the elderly in rural area.
方法：采取整群随机抽样方法，对本市农村地区老年人群进行结核病流行病学抽样调查。
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，以测定单位面积的质量。
Line transects of systematic sampling were used to survey the fundamental characteristics of the environmental variables in the study area.
通过系统取样的样线法调查整个研究区域环境变量的特征。
Result of forest soil sampling indicates that: design-based approach is mainly based on the traditional investigation, the number of samples and study area are mostly considered by this approach.
森林土壤取样的研究结果表明：基于设计的取样策略主要建立于传统的调查取样的基础上，需要多少样本，研究区应设定多大范围是设计考虑的主要内容。
The method of pebrine sampling inspection for household eggs production in parent silkworm rearing area is a new subject to be solved on pebrine quarantine of silkworm.
农村原蚕分户制种微粒子病抽样检查方法是近年来家蚕微粒子病检疫急需解决的新课题。
Cyclic sampling design was used to investigate leaf area index(LAI)in flux contributing source of eddy covariance flux tower swamp ecosystems of Haibei.
使用循环采样设计方案，对海北沼泽化湿地生态系统涡度相关通量观测塔的通量贡献区内叶面积指数进行了实地调查。
Methods: With cluster sampling method, anthropometric data were obtained from 1 697 middle school students of the Han and the Korean nationalities in Yanbian area.
方法：采用整群抽样方法，对延边地区朝、汉族初中、高中学生1 697名体格指标进行了调查。
Cluster sampling, in which random "clusters" of households are measured, is used in populations that are not in even or structured Settings but are spread unevenly over a large geographic area.
分组抽样，即测量随机的家庭“组”，一般用于不均匀地分散在较大面积地理区域的人群。
Instead of using point sampling, elliptical filtering USES an area (an ellipse) to perform an image lookup.
替代了点采样，椭圆形过滤使用一个椭圆形区域来执行图像检查。
Instead of using point sampling, elliptical filtering USES an area (an ellipse) to perform an image lookup.
替代了点采样，椭圆形过滤使用一个椭圆形区域来执行图像检查。
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