比较数

Objective Evaluation of the two large sample means t test?u test and u'test.

目的 对适用于两个大样本均数比较的t检验、u检验及u′检验评价。

Comparison was done in effects of seniority, professional title, and number of students differently and lassitude status.

考察不同工龄、职称、负责学员数对职业倦怠的影响及男女戒毒康复工作者的倦怠状况比较。

The results of comparison show that the linear extrapolation of channel-energy correlation is the most accurate calibrating method .

比较结果说明：用道数－能量直线外推法进行刻度最为准确，当能量大于2.0keV时，其能量刻度不确定度小于2%。

In order to further study, with a new method of preparation of DNA fibers which has conquered the disadvantage of the way of squashing in liquefacient nitrogen,high-quality fibers were been gotten from maize which has large genome and contains numerous types of highly repeat DNA elements.

为了进一步分析，对现有的提核方法进行了改进，采用了新的方法制备DNA纤维，克服了液氮研磨法的不足，并在基因组比较大，重复序列较多的玉米上获得成功，同时用伸展DNA纤维的荧光原位杂交技术测定了端粒DNA在玉米染色体上的拷贝数。

Second, building floor area ratio will be relatively simple to show that low-rise housing.

二是将建筑容积率用比较通俗的房屋层数来表示。

In this paper, typical heating distributions on the gap wall were presented; effects of Mach number, attack angle and deflection on heat transfer to the gap wall were discussed;and comparisons between measured and predicted gap heating were made.

本文给出了缝内典型热流分布结果，讨论了马赫数、攻角和偏转角对缝内热流分布的影响并与现有计算方法和实验数据进行了比较。

The simulation of results indicated that with Mach number increased and the total pressure recovery coefficient decreased.

模拟结果表明：随着飞行马赫数的增加，由前缘点产生的激波逐渐靠近弹体，进气道内部总压恢复系数降低，在进气道出口处压力比较高，出口流场基本均匀。

The number of the cells through the artificial matrix membrane in every group was counted to compare the change of the invasion capability among the experimental groups.

用Boyden室和人工基底膜构建癌细胞的体外侵袭模型，计数并比较各实验组穿过人工基底膜的细胞数。

Based on the maximum principle,we construct the blowing-up lower solution by the relations of parameters and solution of the ordinary differential equation and then the blow-up properties are studied.We use the maximal principle to analyse the derivative profiles of the solution and get the lower bounds and upper bounds of blow-up rate through the complicated analysis technology and the inequality theory.

基于最大值原理的比较理论，通过一些特定的参数关系，利用相关常微分方程的解构造合适的爆破形式的下解，由此得到退化反应系统初边值问题的爆破解；然后，对爆破解的性质进行进一步的研究，利用极大值原理对解的导数特性进行了分析，给出了解的爆破速率的上、下界估计。

Ochikarawere studied in morphology. The results indicates that the Oochikara has lateral root primordium and lateral root, and RM109 has no those. The number of pericycle cells in protoxylem of RM109 reduces to the 77% of that of Oochikara ; the number of vessel in metaxylem increases, and the number of vessel Ⅰ is the 149% of that of Oochikara ; the number of vessel Ⅱ is the 321% of that of Oochikara ; and the vessels arrange disorderly.

ochikara的冠根组织形态进行比较，结果表明，大力品种可观察到侧根原基及侧根，而RM1 0 9均无；RM1 0 9的原生木质部间中柱鞘细胞数目减少，为大力的 77%；后生木质部导管数增加，其导管I的数量为大力的 1 4 9%，其导管Ⅱ的数量为大力的 3 2 1 %，且导管排列散乱。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。