mean difference
英 [miːn ˈdɪfrəns]
美 [miːn ˈdɪfrəns]
平均差，平均概率（公算）偏差
双语例句
- In one of its many statistical graphs, the WHO study shows money can mean the difference between life and death.
报告的许多图表之一显示，世卫组织的研究表明金钱可能意味着生与死的不同。 - Which could mean the difference between a scare and a smash.
这可能就是恐慌和被撞的区别了。 - It is very dangerous to drive drunk, it can mean the difference between life and death.
酒后驾车很危险，有可能意味着生和死的差别。 - Another reason is that a small change in temperature can mean the difference between snow and rain.
另一个原因就是微小的温度变化就能使降雪和降雨发生转变。 - AIM: To explore the standardized mean difference, the common effect size for ANOVA in medical research.
目的：探讨医学研究中方差分析常用的效应量&标准均数差的计算方法。 - Satnam: A good personalized recommendation system can mean the difference between a successful and a failed website.
一个优秀的个性化的推荐搜索引擎可以说是网站的成功和失败的分水岭。 - This study aims to compare three estimators of standardized mean difference ( SMD) for data obtained from pretest posttest cluster randomized control trials.
在此目的于比较前后测群集随机试验下的三种标准平均差估计。 - Mean difference percentage ( MD) was a determination parameter for the reliability judgement of core collection.
均值差异百分率（MD）可作为判断核心种质是否具有代表性的判定参数。 - It could mean the difference between making a dying and making a living.
也许这就代表生活和生存的区别。 - With unemployment rates rising, having that certification could mean the difference between getting a job and collecting unemployment.
随着失业率的增长，是否持有职业证书就意味着就业与失业的区别。 - The weighted mean difference ( WMD) for HbA1c levels was – 0.08, favoring long-acting over intermediate-acting preparations.
HbA1c的加权平均差（WMD）是-0.08，这个数据支持长效胰岛素优于中效胰岛素。 - Mean temperature difference for countercurrent flow and cocurrent flow in steady continuous heat transfer has been deduced uniformly.
采用统一的方法对定态传热逆流和并流的平均温差进行了推导。热是由于温度差造成的能量传递。 - Isolation of mouse ICM with LIF media was earlier than that with cardiomyocyte media conditioned, and difference between two medias were 11, 11, 12, 10 and 12 h respectively, mean difference was 11.2 h.
在LIF条件液中比心肌条件液中能较早地分离出ICM，时间差分别为11、11、12、10和12h，平均为11.2h； - Comparing the orbit endpoints, the mean difference of radial orbit is 0.066 6 m.
对于轨道端点比较，径向轨道差异平均为0.0666m。 - By doing t test for mean difference and Wilcoxon Signed ranks test on 13 financial variables for the two groups of companies, we select the appropriate set of financial variables.
首先对两组公司的13个财务变量，进行均值的t检验和Wilcoxon秩检验。 - The average wind velocities in gobi area are obviously greater than that in interior of oasis, their mean difference is 3. 6m/ s;
戈壁沙丘的平均风速明显大于绿洲内的平均风速； - The results show that cardinal preferred areas were larger than oblique preferred areas, with a mean difference of 4.7%.
结果表明：水平垂直敏感区比倾斜角敏感区面积大，平均差异为47%； - The temperature profile of ferment liquor in the period of microbe growth was well distributed, the mean difference in temperature was 0.08 ℃, while the maximum value was 0.4 ℃.
在微生物生长各阶段反应器中发酵液的温度很均匀，其平均温差为0.08℃、最大温差为0.4℃。 - However, if we construct a comprehensive measuring index using the method of standard deviation and mean difference maximization and assimilate the advantages of the above indexes, we can make the unique and reasonable assessment of fund performance.
而运用标准差和平均差极大化方法构造一种综合评价测度指标，并吸取述上述五个指标的长处，可对基金绩效作出唯一和合理的评价。 - In this paper, the mean difference of un-overlapped areas on the direction θ is used as a new added feature, which associated with other conventional features are used by fuzzy c-means clustering algorithm to segment the target figure.
本文提出采用像素点在θ方向上的非覆盖均值差分作为像素点的一个重要特征，联合其他常用特征，对图像进行c均值模糊聚类分析。 - The mean difference of pixels suddenly decreased and increased in different directions;
象素的灰度差分均值在不同方向上突然下降或上升； - The mean difference between the theoretical and experimental frequencies was found to be 19.0 cm~-1. According to the normal modes and IR intensities in DFT calculation, we gave a consummate and reasonable assignment and interpretation to the observed vibrational spectrum of strychnine.
理论计算和实验测定频率的平均误差为19·0cm-1.根据DFT计算的振动模式和IR光谱强度值对目标分子的实验振动基频进行了完善的和合理的指认和解释。 - The results show that their means such as physical symptom and compulsion are higher than the 18-29 ages norm of native youth, and its mean difference is significant at the 0.001 level.
结果显示边疆民族地区贫困生的躯体化、强迫等九因子得分均值高于国内18~29岁青年常模，且具有极其显著性差异。 - Then it test the correlation between earnings management and internal control in 2008 non-financial listed companies in Shanghai Stock Market A stock target, by means of descriptive statistics, mean difference tests and multiple linear regression method.
接着，本文以2008年非金融类沪市A股上市公司为对象，运用描述性统计、均值差异检验和多元线性回归的方法，探讨了内部控制与盈余管理之间的相关性。