arithmetic mean

arithmetic mean的基本解释

n.

算术中项, 算术平均

与arithmetic mean相关的网络例句 [注：此内容来源于网络，仅供参考]

Probably it can be separated into two kinds. one is qualitative, the other is quantitative. the methods used broad are: layered analytical arithmetic, blurry clustering arithmetic, centrobaric arithmetic, intersectant median arithmetic, ratable arithmetic, p-median arithmetic, meshwork bestrow arithmetic, systemic simnlate arithmetic, genetic arithmetic, blurry qualitfunction arithmetic, minimum route arithmetic, two-double simulate anneal arithmetic.

关于物流中心的选址有很多方法，大致可分为定性和定量两大类，目前使用较多的选址方法有层次分析法、模糊聚类法、重心法、交叉中值法、加权评分法、p－中值法、网络覆盖模型、系统模拟法、遗传算法、模糊品质机能法、最短路径法、双层模拟退火算法等。

The problems of teaching administration are investigated and analyzed, it is reachered and analyzed that domestic and abroad course arranging arithmetic such as heredity arithmetic, simulation-back arithmetic, expert system arithmetic, backdate arithmetic and first class arithmetic. A point of view that the target result is only subordinate result is clanitied.

通过对中职学校的教务管理排课问题的调查分析和国内外排课算法(遗传算法、模拟退火算法、专家系统方法、回溯算法、优先级算法等)的对比研究分析，阐明了由于排课问题算法的时间复杂度极高，实现有一定的难度，求最优解是理论上的，目标解只能是次优解的观点。

Compared with control,①the mean tumor weight of H22 of SXKA Granules three dose groups were decreased significantly(P.01,P.05),and the mean inhibition rates of SXKA Granules 20、10 g/kg dose groups were above 30%;②the mean tumor weight of S180 of SXKA Granules three dose groups were decreased significantly(P.01),and the mean inhibition rates of SXKA Granules 20、10 g/kg dose groups were above 32%;③the mean tumor weight of EAC of SXKA Granules three dose groups were decreased significantly ( P.01, P.05),and the mean inhibition rates of SXKA Granules 20 g/kg dose groups were above 38%;④the mean tumor weight of Lewis carcinoma of SXKA Granules three dose groups were decreased significantly(P.01, P.05),and the mean inhibition rates of SXKA Granules 20、10、5 g/kg dose groups were above 36%;⑤the mean tumor weight of W256 of SXKA Granules three dose groups were decreased significantly ( P.01, P.05),and the mean inhibition rates of SXKA Granules 20、10 g/kg dose groups were above 32%;⑵Compared with control,SXKA Granules 20、10 g/kg dose groups had extended the survial time of the P388-bearing mice respectively(P.01),and the mean prolong rates of SXKA Granules 20、10 g/kg dose groups were above 50%;⑶Compared with S180-bearing group, SXKA Granules 20、10 g/kg dose groups could increase the weight of thymus and spleen, Spleen index and thymus index were increased, SXKA Granules 5 g/kg dose group could increase thymus index(P.05);⑷As Compared with control group, SXKA Granules 20、10 g/kg dose groups could improve mouse serum half hemolysis value depressed by transplanted tumor dramatically(P.01), which revealed the SXKA granules could improve the mouse humoral immunity system;⑸SXKA Granules 20 g/kg dose group could increase of englobe indexαon S180-bearing mice remarkably(P.01), which indicated the SXKA Granules could improve their cellular immunity system.

对荷W256大鼠，生兴克癌冲剂20、10、5 g / kg三组的平均瘤重明显低于对照组(P.01，P.05)，生兴克癌冲剂20、10 g / kg组的平均肿瘤抑制率均大于32 %；⑵与空白对照组相比，生兴克癌冲剂20、10 g/ kg能显著地延长移植小鼠白血病P388小鼠的存活天数(P.01)，生兴克癌冲剂20、10 g/ kg对荷白血病P388小鼠生命延长率均在50%以上；⑶与S180荷瘤组相比，生兴克癌冲剂对荷瘤鼠的免疫器官重量、胸腺指数和脾指数有一定的提高趋势，其中生兴克癌冲剂5 g / kg组对荷瘤小鼠的胸腺指数有一定的提高作用(P.05)；⑷与S180荷瘤组相比，生兴克癌冲剂20、10 g /kg组可提高由荷瘤引起的小鼠血清半数溶血素值的降低(P.01)，表明其可提高荷瘤小鼠体液免疫功能；⑸与对照组相比，生兴克癌冲剂20 g /kg组可提高荷S180肉瘤小鼠的免疫吞噬系数α值(P.01)，表明其可提高荷瘤小鼠细胞免疫功能。

与arithmetic mean相关的网络解释 [注：此内容来源于网络，仅供参考]

arithmetic mean：算术平均值

x+y+z)^3=-27, 问x,y,z的算术平均值(arithmetic mean)与-2谁大. (A)80. 一个表格,21-24岁有20人,19-20岁有11人,15-19岁有43人,12-14岁有xx(忘了,不重要)人,问年龄最大的40人的岁数的域(range)和12相比谁大. (A)

arithmetic mean：算术平均数

平均线是利用统计学上"算术平均数"(ARITHMETIC MEAN) 的原理,求出固定周期平均值,将每日数据连接为连续曲线;即为移动平均线. 本节说明采用3日均线与6日均线.

arithmetic mean：算术均数

制作连续型数据频数表一般步骤如下:算术均数(arithmetic mean)简称均数,描述一组数据在数量上的平均水平. 总体均数用μ表示,样本均数用 表示,其计算方法如下:

arithmetic mean：算术平均

其实,平均数(average)可分为三大类--算术平均(arithmetic mean)、中位数(median)及众数(mode). 很可惜,一般的报导并没有清楚说明,只让读者各自去理解. 以上图为例,你会认为常见于新闻特写标题上的"人均收入"是指哪一种平均?

weighted arithmetic mean：加权算术平均数

加权算术平均数(weighted arithmetic mean)以各种变量在总体或样本中 出现的次数或所占的比重作为权数计 算的算术平均数. 用Mw表示. 它也 是反映集中趋势的一种量数. 把变量 值整理成单项数列时,以各种变量值 的频数作为权数计算加权算术平均 数,