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Comparison of statistical and nonstatistical sampling A sample is said to be nonstatistical when the auditors es timate sampling risk by using professional judgment rather than by using sta tistical techniques.

统计抽样与非统计抽样的比较当审计师凭借职业判断而不是运用统计技术来估计抽样风险时，这种抽样就称为非统计抽样。

Meditations of evolution increasingly vaster: of the moon invisible in incipient lunation, approaching perigee: of the infinite lattiginous scintillating uncondensed milky way, discernible by daylight by an observer placed at the lower end of a cylindrical vertical shaft 5000 ft deep sunk from the surface towards the centre of the earth: of Sirius 10 lightyears (57,000,000,000,000 miles) distant and in volume 900 times the dimension of our planet: of Arcturus: of the precession of equinoxes: of Orion with belt and sextuple sun theta and nebula in which 100 of our solar systems could be contained: of moribund and of nascent new stars such as Nova in 1901: of our system plunging towards the constellation of Hercules: of the parallax or parallactic drift of socalled fixed stars, in reality evermoving wanderers from immeasurably remote eons to infinitely remote futures in comparison with which the years, threescore and ten, of allotted human life formed a parenthesis of infinitesimal brevity.

347关于宇宙日益扩大进化的冥想：新月期的月亮，即使在近地点也看不见。从地表向地轴挖掘纵深五千英尺的圆筒状垂直轴，一个观察者呆在轴底儿上，就连白昼也辨认得出那漫无止境、网络状、亮光闪闪、非凝结性的银河。天狼距地球十光年（五七、000、000、000、000英里）；体积大于地球九百倍；大角；岁差运动；有着&猎户&腰带、六倍于太阳的&伐二&以及星云的猎户座，星云中能容纳我们的一百个太阳系；死去的和新生的星宿，例如一九0 一年的那颗&新星&我们的太阳系正朝着武仙座冲去；所谓恒星的视差或视差移动，也就是说，实际上恒星是在不断地从无限遥远的太古朝无限遥远的未来移动着。相形之下，人的寿命充其量才七十年，不过是无限短暂的一段插曲而已。

Beijing School and Shanghai School was considered to be the style , purport different schools in the past and really had difference nature .But I think except outside the difference of comparison in cultural cause , region demarcation line , spiritual purport which have done by the forefathers. As two literature groups stood side by side ,there are some certain communicating places on the psychological perspection of the modern Chinese which are always in change.

京海派以往被认为是风格、旨趣不同的流派而的确存在差异性，但我想除了如前人所做的在文化因缘、地域界限、精神旨趣方面的比较的差异性之外，两个流派作为共时性的文学流派，在对其时处于变动中的中国的现代人的心理透视方面有着一定的相通之处。

Through the comparison of calculation results of two methods in the uniform and the non-uniform inflow, it is found that the results by two methods are very close. The calculation results by two methods are compared with open water test, and the agreement is well. The two methods can both perfectly simulate the hydrodynamics performance of podded propeller, and the method of induced potential needs less program work and can save a great deal of calculation time and memory space. It is a simpler and effective method to calculate hydrodynamics performance of podded propellers and other combined propulsions.

经过用两种方法对均匀来流和非均匀来流条件下水动力性能的计算比较，发现两种方法的计算结果很接近，并与模型试验结果吻合得很好，但用诱导速度势的方法编程工作量较诱导速度方法少，而且还可节省大量的计算时间和存储空间，是一种计算吊舱推进器和其他组合推进器水动力性能相对简单而且有效的方法。

It is necessary to carry out a thorough study on pest control technology with DMDS, with an expectation of obtaining a new fumigant of methyl bromide alternative.2. Investigation of the toxicity of fumigation on adult and mixed stages of the three most tolerant insect species -- Sitophilus oryzae, Rhyzopertha dominica and Tribolium castaneum -- under a range of EtF、DMS and DMDS doses in a Flow-through Fumigation System shows that the FTFS procedure offers a constant concentration of fumigant with low CO2 concentrations and ensures that the fumigant toxicity is effectively not compromised by CO2. In comparison with chamber fumigation method, the toxicity data of EtF、DMS and DMDS obtained from this experiment is more accurate by using FTFS.

主要研究结果如下：1、甲酸乙酯和二甲基二硫对仓储害虫具有良好的控制作用，应加快甲酸乙酯替代溴甲烷防治仓储害虫开发应用，同时，二甲基二硫是很有潜力的仓储害虫防治熏蒸剂，要深入进行二甲基二硫控制有害生物的技术研究，以期获得新的溴甲烷替代熏蒸剂。2、利用循环熏蒸系统测定了甲酸乙酯、二甲基二硫和甲硫醚对米象Sitophilus oryzaeL。

The results showed that,when environment-friendly oil KT20 was used in NR and NR/BR compound,the properties of mix,physical properties and wet skid resistance of vulcanizate were similar to those by using the comparison samples;by using environment-friendly oil KT20,the rolling resistance of vulcanizate changed slightly compared with using 3527MES and TADE.

结果表明，在NR和NR/BR胶料中，填充环保油KT20与对比油的混炼胶性能、硫化胶的物理性能和抗湿滑性能相当；填充环保油KT20，3527MES和TDAE硫化胶的滚动阻力相差不大。在NR胶料中填充环保油KT20，硫化胶的耐磨性能优于对比油硫化胶。

The BORUI software belongs to the field of computer software technology, and is characterized by that after the BORUI software is mounted in computer, when the mourse is placed on the icon of an unopened file, one window can be automatically ejected, the file contents or preset contents can be displayed in the window, after the file is opened, the preset contents also can be looked up by means of software function; in the computer said BORUI software has several functions; inhibiting deletion, enciphering deletion function and making reference and comparison between various files with different types and different forms.

BORUI软件属于计算机软件领域，其特征在于：当计算机安装BORUI软件后，将鼠标放置在一个未打开的文件的图标上时会自动弹出一个窗口，窗口中可显视其文件内容或预先设定的内容；在文件打开后也可以通过软件功能查看其预先所设定的内容；通过软件功能可将计算机中不同类型不同格式的文件设定成为禁止删除；可为删除功能加密，为删除功能加密后，只能通过输入正确的密码才可以将文件删除；通过软件的功能可以在文件中的文字与文字、图像与图像、视频与视频、动画与动画、音频与音频等不同类型不同格式的各种文件之间进行参照与对比。

This paper makes the fitting analysis of the field test data according to the hyperbolic model established by the interface spring theory,and simulates the experiment of bolt upraising by means of the finite element method.After the comparison of the calculated results with the field test results,the paper draws the main conclusion that good fitting effect can be obtained when the hyperbolic model is adopted in fitting the relationship between axial force and depth.The interfacial shearing stiffness will so...

文章按照界面弹簧理论所建立的双曲线模型，对试验实测数据进行了拟合分析，并采用有限元法对锚杆上拔试验进行了模拟，对比计算结果和实测结果得出的主要结论为：采用双曲线模型拟合锚固轴力随深度变化的曲线，可以取得良好的拟合效果；在逐级加载的条件下，界面的剪切刚度呈软化的趋势；在锚固界面没有发生较大滑移的情况下，计算位移和实测位移比较接近。

Comparison of Insecticidal Activities between Cyfluthrin and Its Preparation of Sample ( beta-cyfluthrin ) by Epimerization for the Army Worm;2. Toxicity and Field Effect of Different Ratios of Rotenone to Beta-cyfluthrin against Uroleucon gobonis;3. The relationship of the content of mixed surfactant , the content of co-surfactant and the maxium addition content of beta-cyfluthrin in the formation of beta-cyfluthrin microemulsion were studied, and a math theory model was established by using multivatiable linear regression analysis.

通过研究高效氟氯氰菊酯微乳剂形成过程中表面活性剂混剂、助表面活性剂与高效氟氯氰菊酯最大加入量的关系，利用多元回归处理方法，建立了表面活性剂混剂、助表面活性剂与高效氟氯氰菊酯最大加入量三者之间的数学模型；通过测定不同温度下高效氟氯氰菊酯的最大加入量，得出高效氟氯氰菊酯最大加入量随温度升高而增大的规律。

SEM, Raman and PL spectrum were adopted to characterize the surface, structure and photoluminescence property of samples. In comparison with those prepared by anodising p type silicon, the porous silicons prepared by non-acid hydrothermal method have smooth surface, regular shape of pores and higher PL efficiencey.

实验采用扫描电镜、拉曼光谱和光致发光谱对样品表面形貌、结构及发光性能进行表征，并与用常规电化学阳极氧化法制出的多孔硅进行了对比研究，研究结果表明用无酸水热法制出的多孔硅表面平整，孔的形状规则，发光效能提高更多。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。