查询词典 mean difference

The median price method with arithmetic mean method, although to a certain extent, reduce the difference in quality real estate on the index, but it does not completely eliminate the effects of changes over time, real estate may be differences in quality index to measure changes in real estate prices have a greater bias.

中间价格法算术平均的方法，虽然在一定程度上，减少差异，房地产质量的指数，但不会完全消除变动的影响随着时间的推移，房地产可能是不同的质量指标来衡量变化在房地产价格有较大的偏差。

This is not just a stagecoach robbery in the Texas backwoods, but a key moment in world history, when an intelligent decision will mean the difference between life and death for thousands of innocent people.

这只不是在得克萨斯未开垦地的马车抢劫，但是在世界历史的关键的片刻，当一个聪明的决定将为几千个无罪的人意味着生活和死亡之间的差别时。

Success will mean the difference between a brawny giant and a blubbery one.

而成功决定是"肌肉发达的巨人"还是"哭泣的巨人"。

Distraction like this can mean the difference between life and death in a place bristling with other predators.

在一个充满其他捕食者的地方，精力分散可是一个生死攸关的问题。。

The richness center of the Theaceae plant species under study is located in the mountainous area of north Guaugdong (22.5°N, and 112~115°E). These plants species exhibited significant longitudinal difference (P=0.0012), and latitudinal variation (P=0.0049). Canonical Correspondence Analysis showed the distribution of plant species could be explained by caloric factors and moisture factors, and MAMI (mean annual minimum temperature) was the key factor determining the distribution pattern of Theaceae plant species richness in the study area.

对125种植物、72个网格和6个环境因子进行典范对应分析表明：CCA排序轴第1轴主要代表温度的变化梯度，第2轴主要代表水分的变化梯度，说明水分、温度等因素共同影响山茶科植物在广东的生长和分布，其中年均最低温度是影响广东省山茶科植物丰富度水平地带性格局的最大因子。

In this research, the index for Hadley circulation intensity is defined as the maximum positive value of the zonal mean streamfunction occurring within the latitudinal zone of 0°~30°N, and index for NPO as normalized sea level pressure difference between the region (20°N, 180°~160°W) and the region (60°N, 180°~160°W).

本文选取0°~30°N区域里最大质量流函数来描述北半球Hadley环流强度随时间的演变，利用(20°N， 180°~160°W)和(60°N， 180°~160°W)区域平均的标准化海平面气压差代表NPO强度。

Under the concave transaction costs function, using the variance of profolio return rate to express profolio risk, and taking the risk-return combination difference as the objective function, we propose Mean-variance D.C- integer optimization model under concave transaction costs and minimal transaction unit constraints.

2考虑凹交易费用函数，用投资组合收益率的方差反映组合风险，以风险-收益的组合差作为目标函数，提出了考虑交易费用及最小交易量的均值—方差D.C-整数优化模型。

There was no significant difference of the mean conical flap thickness between the first eyes and the second eyes.

第一眼的角膜皮瓣厚度和第二眼的角膜皮瓣厚度没有显著差异。

New inspection method was deduced by using constant coefficient of variation in sequence inspection method, and the approximate relationship of inspection variables between mean method and sequence one was gained by analyzing difference of two methods.

将变差系数不变的条件引入到序贯检验方法中，推导出新的结构强度检验方法，分析检验变量与均值法的差异，得到两者的近似关系。

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。

The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因，如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

You were hired to drum up new business, so go and do it.

公司雇你招徕新业务，你就做你的事好了。