次数

The relative formulas between crack density and elastic modulus shows the effect of crack on rigidity of pressure tank.

用压力容器的弹性模量定义损伤变量，进而建立了弹性模量和载荷循环次数之间的关系式。

In the Uzawa algorithm, we use the HX preconditioner for the primal variable. The numerical results indicate that the new algorithm has good parallelization scalability and the iteration counts are independent of the mesh size and the jump range as for the floating subdo mains and interior cross-points.

数值实验结果表明，不论是对光滑系数还是对有无浮动子区域及有无内交叉点的跳系数情形，我们所设计的并行算法HX-Uzawa-p的迭代次数都基本不依赖于网格规模及系数跳幅，且具有很好的并行可扩展性。

Results］ In the one-way analysis, the risk factors of breast cancer are history of benign breast diseases, high body mass index, early age at menarche, family history of carcinoma, late age at primiparity, high frequency of abortion, a large age at last parturition, and swell or pain in breast during menstruating.

结果］ 单因素分析，达到统计学显著性水平的危险因素有乳腺良性疾病史、BMI指数高、初潮年龄早、肿瘤家族史、初产年龄大、流产次数多、未产年龄大和行经时乳房涨痛。哺乳和饮用井水是保护因素。

Results］ In the one-way analysis, the risk factors of breastcancer are history of benign breast diseases, high body mass index, early age at menarche,family history of carcinoma, late age at primiparity, high frequency of abortion, a largeage at last parturition, and swell or pain in breast during menstruating.

结果］单因素分析，达到统计学显著性水平的危险因素有乳腺良性疾病史、BMI指数高、初潮年龄早、肿瘤家族史、初产年龄大、流产次数多、未产年龄大和行经时乳房涨痛。哺乳和饮用井水是保护因素。

The results of Logistic regression showed RTI women with the higher themselves(OR=0.900,OR95%CI:0.874-0.928)and their husband's education level(OR=0.939,OR95%CI:0.910-0.968), the higher income (OR=0.906,OR95%CI:0.886-0.926), the more numbers of RTI symptom(sOR=0.823,OR95%CI:0.798-0.8506)and the better correct rate of RTI - related knowledge (OR=0.715,OR95%CI:0.697-0.734), the more they would go to the hospital. However those who were single(OR=1.411,OR95%CI:1.018-1.956), whose husbands working outside(OR=1.099,OR95%CI:1.034-1.169), whose primiparity age were olde(rOR=1.015,OR95%CI:1.008-1.022), and the more numbers of the total bearing(OR=1.144,OR95%CI:1.099-1.190), the less they would go to the hospital.

多因素logistic回归分析显示罹患RTI农村育龄妇女学历(OR=0.900，OR95%CI：0.874-0.928)、丈夫学历(OR=0.939，OR95%CI：0.910-0.968)、家庭经济年收入(OR=0.906，OR95%CI：0.886-0.926)越高、出现RTI症状数(OR=0.823，OR95%CI：0.798-0.8506)越多、RTI知晓(OR=0.715，OR95%CI：0.697-0.734)越好者则越愿意去就医；而丧偶单身(OR=1.411，OR95%CI：1.018-1.956)、丈夫外出务工(OR=1.099，OR95%CI：1.034-1.169)、初产年龄(OR=1.015，OR95%CI：1.008-1.022)越高者、总生产次数(OR=1.144，OR95%CI：1.099-1.190)越多者，则不愿意就医。

Using the estimates of character sums over Galois rings and the trace de scription of primitive sequences over Zpe, we obtain an estimate for the frequency of the occurrences of any element in Zpe in one period of a primitive sequence, which is better than Kuzmin's results[1] if n ＞ 4e, where n is the degree of the generating polynomial of the primitive sequence.

范淑琴 ，韩文报文研究了Zpe上本原序列的元素分布。利用Ga，lois环上的指数和估计和本原序列的迹表示，得到了Zpe中各元素在本原序列的一个周期中出现频率的一个估计。当n＞4e时(n为本原序列生成多项式的次数)。我们的估计优于Kuzmin的结果[1]。

By means of the comparison principle and the method of upper and lower solution,the corresponding sufficient conditions under which the models have a solution or no solution are obtained. If other parameters are given,the controllable parameters such as the population of release and the times of impulsive harvest are estimated respectively.

基于比较定理和上下解方法，分别获得了模型有解或无解的充分条件，估计了相关可控参数，即脉冲投放模型中的投放量以及脉冲收获模型中的脉冲收获次数。

The empirical analysis, using Probit Model, showed that the extension efficiency of the technique was obviously affected by following factors: income and cost, yield increase, farmers" age and education, non-agricultural income, farmer"s social status, distance from town, frequency of farmers contact with media and agricultural technicians.

运用Probit模型对超高茬麦田套稻技术推广的影响因素进行分析，结果显示亩增收节本、亩增产量、户主年龄、户主受教育时间、非农收入、是否干部、离镇距离、媒介频率、与农技人员接触次数对该技术的推广有显著影响。

The data collected were analyzed by using descriptive statistics, Pearson's product moment correlation, t-test, one way ANOVA and multiple regression analysis.

所得资料以次数分配、百分比分配、平均数、标准差、皮尔森机差相关、t-检定、单因子变异数分析与多元回归分析等统计方法进行资料分析。

A new dimensionaless parameter, called the threshold-crossing intens ity, is defined as a measure of the threshold-crossing severity, which is equal to the ratio of the product of average number of crossing events per unit time a nd mean threshold-crossing duration and amplitude over the threshold.

定义了一种度量过阀严重程度的新指标，称为"过阀强度"，等于单位时间过阀平均次数、平均过阀延续时间和平均过阀幅值三项乘积与阀值之比。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。