几种的例句大全

Several familiar forms of marine corrosion were generally introduced with its evaluation techniques.

概述金属材料常见的几种海洋腐蚀形态，并从技术层面介绍不同腐蚀形态的评价方法。

互联网摘选

Some new progresses of the research methods are summarized from the following three aspects: ( 1) to determine the surface erosion rates and surface uplifting rates of the mountains by measuring in situ produced cosmogenic nuclide;

文中介绍了几种有关研究方法的一些新进展：（1）利用宇宙核素估算山体表面剥蚀速率和表面隆升速率；

互联网摘选

The application of level meters in setting tank

几种液位计在沉降槽上的应用

互联网摘选

Scanning electron microscopic observation of crista ampullaris in human and animal

人和几种动物壶腹嵴扫描电镜观察

互联网摘选

A few forms of the crossover pipe-adjustment valve combination in vertical single pipe hot water heating system are analysed and compared each other in adjustment performance. Thus, the optimal combination form in adjustment performance is acquired.

对垂直单管热水供暖系统中几种跨越管&调节阀组合形式的调节性能进行了分析比较，从而得出调节性能最佳的方式。

互联网摘选

Based on a systematical discussion on the theoretical research methods of crowned design in roller bearing, several crowned types adopted in the engineering practice are introduced in this paper, and research direction in the future is illustrated based on the authors' experience.

在系统沦述滚动轴承滚子凸度设计研究方法的基础上，介绍了工程实际中采用过的几种滚子凸型，给出相应的母线方程和表面间隙表达式，并阐述了今后的研究方向。

互联网摘选

From a broken process point of view, crusher divided into coarse, crushing, grinding, broken in several ways.

从一个破碎过程来说，破碎机破碎方式主要分为粗碎、中碎、细碎、磨矿等几种方式。

互联网摘选

By introducing the lattice theory and considering a cubic unit cell, the water permeability of concrete is obtained for several lattice arrangements of aggregates, which indicates that the arrangement of aggregates is an important factor that affects the water permeability of concrete.

引入晶格理论，取立方体单元胞，求解混凝土骨料几种不同规则排列下的混凝土相对水渗透系数，计算结果表明骨料排列是影响混凝土水渗透系数的重要因素。

互联网摘选

Progress has been made in curbing inflation. Several factors have been credited with contributing to the reduction in inflation.

在控制通货膨胀方面已取得了进展。有好几种因素有助于遏制通货膨胀。

互联网摘选

Comparison of Several Range Curvature Correction Algorithms

几种SAR距离弯曲校正算法比较分析

互联网摘选

Residual stresses in the rail web of high strength rails from several foreign countries were measured by the saw cut method, and the effect of residual stress on rail web cracking was discussed.

通过采用锯切口法测定了几种进口高强度钢轨轨腰残余应力，阐述了残余应力对轨腰水平脆断的影响。

互联网摘选

Ased on type selection of stilling basin for the river cutoff project in Lishi county, slope types of stilling basin are presented in this paper.

结合山西省离石县改河扩城工程中消力池的选型试验，提出了几种消力池体型。

互联网摘选

And the main factors which influence critical tool cutting edge angle are studied, and related theory analysis are made. Furthermore, some new controlling methods and technologys to restrain or decrease the feed direction burrs in machining Processes are developed.

讨论了有关主要因素对临界主偏角的影响，进而开发出了几种抑制或减小进给方向毛刺的新工艺和新方法。

互联网摘选

Another field experiment showed that: 0.3% azadirachtin EC on black cutworm has a good control effect, up to 69.29%.

几种植物源农药的药剂筛选结果表明：0.3%印楝素乳油对小地老虎具有不错的防效，可达69.29%。

互联网摘选

It found that with the same load amplitude and different loading times, several different deformation modes exist no matter for free forming or for modeled forming.

发现在载荷幅值相同、加载时间不同时，无论是自由成型还是有模成型，都存在着几种不同的变形模式。

互联网摘选

A Numerical Comparison Study of the Methods of Rockfill Dam with Concrete Facing

面板坝堆石体几种动力方法数值解对比

互联网摘选

Temperature field thermography on friction facing of certain wear-resistant alloys

几种耐磨合金磨损温度场的热图

互联网摘选

Several methods of extracting rules from database using neural networks are surveyed in this paper: extracting rules based on BP network and BP algorithm using combining weight algorithm.

评述了利用神经网络从数据库中进行规则发现的几种方法，采用权值组合算法提取规则；

互联网摘选

The effects to height evaluation of the main noises, i.e. ocean surface backscatter speckle noise and receiver thermal noise, are analyzed. By analyzing the returned signals of several typical sea states, the results have shown that the system height measurement precision can be ± 2cm.

分析了主要噪声，即海面斑点噪声和接收机热噪声对高度估值的影响，通过对几种典型海况海面回波的模拟分析表明，系统则高精度可达±2cm。

互联网摘选

Finally, though the suspension quantitative bactericidal test, compared the bactericidal effect results with these different kinds of product and receive homologous conclusion.

最后通过悬液定量杀菌实验，对这几种产品的杀菌效果进行研究和对比，得出相应结论。

互联网摘选