频率曲线

Both the a-axis and ab-plane dip towards the downstream , the dip angles of the a-axis are low and concentrated, being 7—8°,the ab-plane dips at 7～21°, and the a-axis has more preferred dip of fabrics than the ab-plane; the peak of the grain-size frequency distribution curve of deposits in the Lushan area is in the range of 4 and 5 φ;The quartz sand grains are subangular and have well-developed conchoidal fractures, parallel striatio ns, upturned cleavage flakes,"V"-shaped holes and siliceous deposits.

摘 要：庐山第四纪泥砾沉积物的砾石组构特征表明，砾石岩性与山体基岩基本一致，砾石的等体积球径较小，加权平均砾径较中值砾径大，分选系数大于1，分选性差，φ值相对较小，平均为0.66，F值相对较大，在2左右，F/φ比值介于2.75～4.75，ρ值集中且较小，为22.75%～37.75%，砾石以棱角、次棱角状为主，磨圆较差；a轴和ab面都倾向沟谷下游，a轴倾角集中且较小，为7～8°，ab面倾角为7～21°，a轴较ab面具有更为优势的组构倾向；沉积物粒度频率曲线在4～5Φ范围内表现为峰；石英砂颗粒为次棱角状，贝壳状断口发育，具平行擦痕、上翻解理片、V形坑和硅质沉淀。

From the control, the static characteristic curve should be continuous, smooth, no mutation; dynamic characteristics of common frequency response curve or curves to express.

从控制要求来说，静态特性曲线应连续、光滑，没有突变；动态特性常用频率曲线或响应曲线来表示。

Although they vary greatly by process and by computer, they tend to have a frequency curve similar to the above figure

虽然不同电脑之间和不同行程之间有很大的差异，但是大致上都有一个类似於图的频率曲线。

And the Pearson Ⅲtype of hydrology frequency curve is applied in project hydrology widely.

而皮尔逊Ⅲ型水文频率曲线在工程水文中应用最为广泛。

To verify the simulation method, the mean frequency curve of simulated signals is extracted and compared with the given one.

实验中通过对仿真超声多普勒血流信号提取平均频率曲线，并与仿真中采用的给定值进行比较，证明了仿真方法的有效性。

Frequency curve should be smooth, no sudden jump point oscillation; response curve of the rapid convergence.

频率曲线应平稳，无突跳振荡点；响应曲线应快速收敛。

With regard to the external Qinhuai River regulation project in Nanjing City, the inverse Gaussian distribution curve was determined as the flood level frequency curve of the river course by use of the frequency statistics technique, and the parameters λ and μ of the inverse Gaussian distribution were derived according to the current flood design standard.

结合南京市外秦淮河堤防整治工程，放弃传统的堤防潮位频率曲线线型，采用频率统计分析的方法确定了外秦淮河堤防潮位频率曲线的线型为反高斯分布；根据该堤防现行洪水设计标准推求了反高斯分布参数λ和μ。

Not only it can display all stable state parameter, but also the load increase quickly, load decrease quickly, voltage, current, frequency curve, voltage curve, current harmonic curve and harmonic content.

不仅可以召测所有稳态参数，还能召测突加、突卸、电压、电流、频率曲线，及电压、电流谐波曲线及谐波含量。

Based on the flood level frequency curve, hydrological failure risk was divided into flood overflowing risk and flood overtopping risk.

基于推求的洪水位频率曲线，将堤防水文失事风险分为洪水漫溢风险和洪水漫顶风险。

Surveying several processes of rainfall, using the automatic hydrocone type ombrometer, analyzing the rainfall character in Dalian, drawing the frequency curve, especially, analyzing the time character of the storm, finding the time character of the storm, moreover, and the rainfall pattern is concerned.

利用安置在大连理工大学校园内的虹吸式自计雨量计，监测了数十场降雨过程，分析了大连市降雨的特点，计算并绘制出频率曲线，尤其对造成危害性较强的暴雨进行了时间特性的分析，结果得出了大连市暴雨的年、月、日以及短历时的时间特性，同时对雨型特点也进行了初步的分析。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。