样本调查

The research adopts the questionnaire, interview and proficiency test as the instruments and analyzes the statistics in the SPSS by the means of frequency, description, Independent-Sample T-test and Wilcoxon Signed Rank Test of non-parameter test.

本研究采用了调查问卷，访谈和能力测试作为研究工具，并使用了SPSS中的频度统计，描述统计，独立样本检验和非参数检验中的威尔柯克森秩和统计。

Lanzhou University,Lanzhou,730000The difference between the spectral reflectance curves of healthy and diseased larch canopies is obvious.In this work,we chose the larch plantations as the study object.Firstly,we selected 14 larch canopy samples and measured their spectral reflectance and photosynthetic pigment contents.Then we selected 8 spectral parameters to set up a series of linear regression models.

以吉林省延边州敦化、和龙两市林场中健康的和遭受落叶松早落病侵害的人工落叶松林为调查对象，在对野外采集的14个落叶松冠层样本进行光谱测量及光合色素含量测量的基础上，选取8个对落叶松冠层光合色素含量变化反映敏感的光谱参数参与建立其光合色素含量的一元线性回归和多元逐步回归模型。

The goals of this study includes to get the picture of E-magazine in market, to discuss the characters of its consumers, to find out product perceived attribute, and to analysis those important factors affecting E-magazine consumers.

本研究以文献探讨与问卷发放两个方式进行研究，以台湾地区具有电子杂志阅读经验的消费者作为主要研究对象，在网路上采随机抽样方式进行调查，有效样本数共计378份。

According to the freight vehicle longitudinal stresscondition loads will be divided into switchyard conditions,brake condition,ease conditin and so on.Then based on survey statistics and samples of various spectral condition, the preparation of the actual operation longitudinal load spectrum will be established.

3根据货车纵向受力状况，将纵向载荷分成溜放、制动、缓解等工况，并依据调查统计及试验样本谱合成各种工况，编制实际运行的纵向载荷谱。

Of course, the sample size on this survey is small, and its sponsor, Reconnex, sells data leak prevention technology.(Translation: take all this with a pinch of salt). But it's also true that you only know what you know -- and that many companies may not be aware of data leaks that had occurred, especially the roughly ten percent of respondents who either don't know how they'd find a leak if one existed, or worry that one may have occurred, but can't prove it. But it's also true that you only know what you know -- and that many companies may not be aware of data leaks that had occurred, especially the roughly ten percent of respondents who either don't know how they'd find a leak if one existed, or worry that one may have occurred, but can't prove it.

当然，样本大小对这项调查是小，它的赞助商， reconnex ，销售数据泄漏防治技术（翻译：采取一切，这与保留之处），但它的也是事实，你只知道你知道-和许多公司可能不知道泄露数据已出现的，特别是大约百分之十的受访者要么不知道他们是如何帆船漏水，如果确实存在，或担心有人可能时有发生，但可以'吨证明这一点，但它也是事实，你只知道你知道-许多公司可能不知道泄露数据已出现的，特别是大约百分之十的受访者要么不知道他们是如何帆船漏水，如果确实存在，或担心有人可能时有发生，但不能证明这一点。

Independent-samples t-test, Chi-square test of independence, and cross tabulation of multiple responses were applied to the data derived from the survey. The conclusions were as follows:(1) Demographic variants of consumers at these two sports centers were significantly different p

最后根据实际调查所得资料，以独立样本t检定、卡方独立性检定及复选题交叉表等统计方法进行资料分析，并得到以下结论：一、中山区与北投区市民运动中心消费者在年龄、教育程度、职业、婚姻、平均月收入及居住地区上达显著差异(p.05)。

Objective:to study the epidemiologic characteristic of mortality of malignant tumors in zhongshan city.method:selecting the investigated datum of mortality of malignant tumor in zhongshan city as sample uses sas statistics software to analyse and forecast the mortality by time series.results:morlality of male malignant tumor and both male and female malignant tumour showed the risen trend from 1970 to 1989.the trend will be kept in future.both will be separately risen to 121.05/105 and 83.92/105 in 2 000.mortality of female malignant tumour will be kept in about 43.59/105 in 2000.couclusion:mortality of both male and female malignant tumor takes on the trend of diffirent change.the male showed risen trend;the female showed the fluctuation of non-trend random.rising mortality of malignant tumor greatly threaden the crowd health.

目的：研究中山市恶性肿瘤死亡率的流行学特点，为制定防治计划提供依据。方法：以中山市恶性肿瘤死亡率调查资料为样本，应用sas统计分析软件对恶性肿瘤死亡率进行时间序列分析与预测。结果：1970～1989年男性恶性肿瘤死亡率和男女合计恶性肿瘤死亡率均呈现上升趋势且有继续保持的趋势。到2000年将分别上升为121.05/10万和83.92/10万左右；女性恶性肿瘤死亡率呈现无趋势的随机波动且将继续保持下去，到2000年保持在43.59/10万左右。结论：中山市男女恶性肿瘤死亡率呈不同变化趋势，男性恶性肿瘤死亡率呈现上升的趋势，女性恶性肿瘤死亡率呈现无趋势的随机波动。恶性肿瘤死亡率的上升对人群的健康构成重大威胁。

First this paper analyzes and clarifies the statistical investigating data of winter migrant birds in Poyang lake in many years, and selects 44 samples on behalf of the main lake, this paper analyzes the birds community characteristic of abundant, variety, even, dominant and the meeting rate among the plant; this paper selects 10 environmental elements according to the reality of Poyang lake and selects the characteristic bird among rare plant, normal plant, wading bird, swimming bird etc, and.

本文首先通过对环鄱阳湖地区越冬候鸟多年调查统计数据的梳理和分析，筛选44个具有代表性主要湖泊作为样本，分析了各湖候鸟群落的丰富度、多样性、均匀性、优势度和种间相遇机率等特征；根据鄱阳湖实际选取10个环境因子，从稀有种、常见种、涉禽、游禽等方面结合选择具有代表性候鸟，进行了候鸟与湿地环境因子的相关关系分析。

The results of the survey were weighted to allow for variations in the sample.

这次调查的结果进行了加权处理，以包容样本中的偏差。

To resolve varied and sometimes conflicting accounts of spawning and habitat characteristics for winter flounder Pseudopleuronectes americanus, seasonal patterns in abundance and reproductive condition were investigated in the New York Bight, near the southern edge of their current reproductive range.

探求有关大陆架附近冬季比目鱼的产卵和栖息地特征的种种结论，调查研究了冬季比目鱼的丰度和生殖条件的季节特征，样本用拖网采集于2006年10月到2007年10月。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。