参数曲线

Based on the nonlinear dynamical equation of product packaging system,the shock spectra and the damage boundary curve of tangent nonlinear packaging system under the action of half-sinusoid pulse are obtained using a numerical method,and the influence of various factors on shock response is discussed.

采用数值求解单自由度产品包装系统的非线性动力学方程，得到了半正弦波冲击下正切型非线性包装系统的冲击谱曲线和边界破损曲线，讨论了相关参数对它们的影响

Influence of wheat and broad bean intercropping and barley and broad bean intercropping on soil water consumption and water use efficiency

采用反映系统特性变化信息的过渡过程曲线，来自动整定PID参数，以使系统一直能在最优的状况下运行。

Objective To evaluate the effect of nebulized bronchodilator on the change of tidal breathing in infants with asthma.

目的对婴幼儿哮喘和肺炎患儿行支气管舒张剂吸入前后潮气呼吸容积曲线检测，探讨各肺功能参数改变特点，为临床医师诊断婴幼儿哮喘提供客观依据。

The infrared remote controller is a cheap, small, simple, reliable and effective product. It can effectively resist electromagnetic interference and ensure safe operation of the system. Using remote technology can reduce manipulative difficulty during soil bin testing and realize single operation of the whole system. Practical application many times demonstrated that the infrared remote controller can work reliably and improve work efficiency considerably.Besides control the movement of tester, the soil bin tester driving control system can adjust the tester speed by rule and line, which was impossible to former test equipments. The range can be adjusted from -1.45m/s to 1.45m/s, the positive and minus sign denotes the direction of tester running.

土槽台车动力控制系统的控制参数均通过人机交互界面输入；系统能够实现对台车行驶速度、位移和时间的实时采集、显示和存储功能，并设有对数据库的操作功能，方便试验人员对数据的查询、修改、删除和保存；试验过程中系统为试验人员提供了台车速度曲线，并能实时动态显示，用来监测台车的运行状况；为了确保试验过程中试验设备和人员的安全，系统增加了控制台车行驶位移和时间的功能；系统使用的防脉冲干扰平均值法处理采集的数据，剔除奇异项，减少了干扰在有用信号中的比重，并能直接显示出所采集数据的均值和方差，节省了处理数据所需的大量时间，提高了工作效率。

Based on the involute's basic principles and theoretical formulas, input the involute's formulas of cartesian coordinates into the equation editor, accordingly create the precise involute of gear's contour. Based on the formula of helical gear's parameters, accurately create a curve of tooth profile. Create the chraceristics of helical gear by ordering of swept blend and array.

依据渐开线生成的基本原理和理论公式，在方程编辑器中输入渐开线的笛卡尔坐标方程，从而生成精确的齿轮轮廓渐开线；根据角变位斜齿轮各参数的计算公式，精确创建了齿廓曲线；利用扫描混合和阵列命令创建斜齿轮的轮齿特征。

So far it has only been possible to define the output parameters of pumps with a definite characteristic curve.

迄今为止，仅可能用一条明确的性能曲线限定泵的输出参数。

Results indicate that, several mechanical parameters in the meat pressure characteristic curve can reflect its freshness.

结果表明，肉的压力特性曲线中多个力学参数能够反映其新鲜度。

Following the analysis of the SAR image characteristic, a new energy functional is defined by importing the statistical model of speckle noise.

该方法在分析SAR图像特征的基础上，利用相干斑噪声的统计模型直接定义了关于水平集函数的能量泛函，不同于一般水平集方法中关于参数化曲线的能量泛函。

It is the basis for studying the other characteristic parameter of popp...

本文用有限元方法建立了锥阀式结构的数学模型，给出了研究区域的边界条件，得到了锥阀工作过程中的有限元数值解，得到了锥阀工作过程中流体在阀内部的流函数曲线分布，并为研究锥阀的其它特性参数奠定了基础

According to corresponding physical parameters, the neutron pulses formed by the single-chop-disk and the double-chop-disk were simulated by internationally popular Mcstas software respectively,and the influence curves of physical parameters on the pulses from the chop-chop- disks were obtained.

采用国际上常用的Mcstas模拟计算软件，分别对单斩盘和异向双斩盘产生的中子束流脉冲的形成特性进行了模拟计算，获得了相关物理参数对斩盘产生中子束流脉冲的影响曲线，讨论了单斩盘与双斩盘脉冲形成的束流特性的差别与优缺点。

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。