test population

Field release test showed that the population of A.glabripennis could be suppressed with release ratio of5 ∶ 1.The major problem is artificial rearing of this species.

田间纱笼释放试验表明，释放比为5∶1可压低野生虫口数量。利用昆虫不育技术防治光肩星天牛的难点是人工饲养。

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A survey on antibody levels measured with Widal's test in natural population of areas with different incidence rates of typhoid fever and paratyphoid fever

不同伤寒、副伤寒发病率地区自然人群肥达氏抗体水平的调查

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The investigation of the causes of bias helps to identify whether the differences in test performance between two population groups are the result of genuine differences in ability or the characteristics of test that have systematically different effects on persons in different groups.

对于这些因素的研究有助于确认导致不同背景的两组测试者所体现出的不同的测试结果的原因：是能力的差别还是考试本身的特性导致了系统性的考试差异。

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Distributing law of same reacting intensity in PPD test in the population aged 0~ 14

纯化蛋白衍生物试验呈相同反应强度者在14岁以前人群中的分布规律

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Eight methods were used to test the distribution of population of citrus psylla in the fields.

经两年的田间调查资料，用8种检验分布型的方法进行检定，得出柑桔木虱卵和若虫的分布型均呈聚集分布。

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To test the hypothesis that population pressure has exhibited different impacts on emissions across China with different levels of affluence.

为验证此推论，论文根据中国不同富裕程度分析人口压力对排放量的影响。

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Results In source region, there were no patients, skin test positive rate of population was 1.9%. First and second intermediate host was not found in most river. Reservoir host was not infected.

结果水源区无现患病人，人群皮试阳性率1.9%，多数河流未发现肺吸虫第一、第二中间宿主，保虫宿主犬无感染，河流生境适合中间宿主孳生。

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A Study on Vital Parameters and Mathematical Model of Test Population of Leaf Spider Mite on May Trees in Ningxia

宁夏山楂叶螨实验种群生命参数与数学模型的研究

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Human society is experiencing the double test of ageing population and the threat of infectious diseases in the21st century.

21世纪人类社会经历着人口老龄化和传染病威胁的双重考验。

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Application of c ′ M model to the test of insect population spatial pattern

c'一m回归模型在确定昆虫种群空间分布型中的应用

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Antibody test results of sample population after immunization are all positive.

暴露人群免疫后抽样检测，抗体全为阳性。

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The prerequisite for u test of comparison of sample rate and population rate

样本率与总体率比较u检验的应用条件

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The Test of population Difference level

总体差异程度的检验

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Managers also encounter situations useful to test for the equality of more than two population means.

管理人员还会遇到需要检验两个以上的总体平均数是否等同的问题.

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Each group of test population cannot be short in 45 people.

每组测试人数不能少于45人。

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The systematic application of a screening test in an asymptomatic population.

在无症状的人群中有条理地应用筛查检测。

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Buyer refuse gawk delivery sealed sample survey report following. items selected from a population and used to test hypotheses about the population.

买主拒收货物，随后寄上密封样本与检验报告。由总体抽选出来以检验对总体的假说的样本。

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Likelihood Ratio Test of the Lognormal Population

的平均比差值（？）对数正态总体的似然比检验

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Results: The positive rates of Schick test in population was 14. 15% and the positive rate of children aged below 6, over 10 years old and adults aged 20~ 40 were ≤ 10%, ≥ 10% and ≥ 20% respectively.

结果：人群锡克氏试验阳性率14.15%，6岁以下儿童均在10%以下，10岁以上年龄组均在10%以上，20～40岁组在20%以上。

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Occupational Infection of HVB and HIV in Hematology Test Population: Risk Factors and Prevention Measures

血液学检验中职业感染HBV和HIV的危险因素及防护措施

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Clock drawing test is used widely to study and test the cognitive deficits and the cognitive decline in old population and proved to be a useful screening tool for dementia patient.

钟面画测试被广泛用于研究和测试老年人群中的各种认知缺陷和认知老化，是一种有用的筛选老年痴呆症病人的工具。

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How to Propose a Hypothesis during the One-sided Test of Population Parameter

总体参数单侧检验时如何提出假设H

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The algorithm used the population entropy and the locus diversity to test the population diversity, and adjusted the fitness values to improve the diversity of population in the process of copying operation.

该算法利用了种群熵和基因座多样性来测试种群的多样性，并在遗传算法的复制操作过程中调整适应度值以提高种群的多样性。

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The rates of low risk HPV types and other types of gene chips typing test in this population were 1.9% and 0.2% respectively.

基因芯片对低危型和其他型别HPV的检出率分别为1·9%和0·2%。

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Items selected from a population and used to test hypotheses about the population.

由总体抽选出来以检验对总体的假说的样本。

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