下模

Based on a FE model of a three-span continuous rigid frame bridge, the updating effects of the three techniques have been evaluated when different model information, different structural parameters and different level of noise are considered.

基于一座三跨刚构－连续梁桥有限元模型，通过七种不同工况的模型修正计算，研究了这三种方法在不同模态信息量、不同误差参数以及不同噪声水平下的修正效果。

Additionally, the ten-second relaxation m duli at various temperatures for PET/70PHB have been calculated,the result is consistent wih that measured by experiment.

文中还计算了共聚物在不同温度下的10s应力松弛模量，所得结果与实测值相吻合。

The system through the temperature examination electric circuit sensation greenhouse big awning temperature change, gives monolithic integrated circuit processing through a/d conversion, through keyboard hypothesis upper limit temperature and lower limit temperature, when the greenhouse big awning temperature is lower than the hypothesis the temperature lower limiting value, start heater unit to greenhouse warming, when the greenhouse big awning temperature is higher than the hypothesis in the temperature the limiting value, stopped heating up, has realized the greenhouse big awning observation automation.

系统通过温度检测电路感知温室大棚温度变化，通过模数转换送给单片机处理，通过键盘设定上限温度和下限温度，当温室大棚温度低于设定的温度下限值时，启动点暖风机给温室加温，当温室大棚温度高于设定的温度上限值时，停止加热，实现了温室大棚测控的自动化。

Has spent a mature product, the general delivery cycle for seven days, a model for the delivery of new products generally 10 to 15 days under special circumstances, and the demand side, with delivery.

已用开成熟产品，一般交货期周期为七天，开模新产品一般交货期为十至十五天，特殊情况下，与需方配合交期。

Details punching process different forms of the characteristics and difficulties, an analysis of the tubes in the process of punching force and deformation of the tube, giving details of the tube clamping and reverse punch the need for pre-deformation and design methods, introduction of specific modules can be combined Guanzi punching die structure design and manufacture of key components, the introduction of simple structure, low manufacturing costs, assembly convenience of fast and flexible, applicable to many varieties, short-cycle preparation and application of the superiority of the scope of After the structure of the tube to improve the punching mold, significantly broadens the scope of the existing pipe punching process and the application of mold capacity.

工程类的汉译英，帮忙翻译下谢谢详述了管子冲孔工艺不同形式的特点和难点，分析了管子冲孔过程中的受力情况以及对管子变形的影响，详述了管子冲孔夹紧及反向预变形的必要性和设计方法，具体介绍了单元可组合式管子冲孔模具结构的设计及关键零件的制造，介绍了具有结构简单、制造成本低、组装方便快速灵活、适用多品种、准备周期短的优越性及应用范围，经过结构改进的管子冲孔模，大大拓宽了现有管子冲孔工艺范围和模具的适用能力。问题补充：请不要用在线翻译的功能搞，翻得很不好

The primary objective is to study the effect of high-modulus PVA fibers on improving the seismic performance of super-high-strength concrete short column s with high axial pressure ratio.

试验旨在研究在较高轴压比条件下，高弹模PVA纤维对超高强混凝土短柱抗震延性的改善作用。

The theory and methods of ship's hydrodynamic pressure field are also studied, including halfrotator model and shallow-water inferior-critical model.

深入研究了水压场建模的理论和方法，包括回转体模型和浅水亚临界模型，用实测数据对回转体模型和浅水亚临界模型进行验模，为不同条件下选择水压场模型提供了一定的理论依据，并在实测数据的基础上对模型进行了修正。

Theoretical analysis of strip mills AGC had been processed and a three-DOF mathematical model of hydraulic screw-down system had been built,which was specified cylinder displacement and inner gap and adapt to varied control way.

对板带轧机自动厚度控制模型进行了理论分析，建立了三自由度轧机负载的液压压下系统的模型，将缸位移和内辊缝相区分，使其适用于不同的控制方式，进而对厚度计式控制模型、变形的厚度计式控制模型、动态设定控制模型进行了对比研究，指出轧机模数和轧件塑性系数分别对应于自动厚度控制系统的静态指标和动态指标，为控制过程中参数的选取提供理论依据。

Based on the time-frequency analysis (continuous wavelet transform and short time Fourier transform), the arithmetic uses the modulus maximum characteristic on the phase scale and carry frequency scale to recognize phase modulation rule of signal. So without whole wavelet coefficient the signal mathematics model can be obtained quickly. It provides well condition for application of arithmetic in practice.

该算法基于信号的时频分析（小波分析和短时傅里叶变换），利用小波变换的相位尺度和载波尺度的模极大值特征辨识信号的相位调制规律，因而在无需计算全部小波系数的情况下，可快速地获得信号的数学模型，为算法在实际中的应用提供了良好的条件。

It is significant to investigate the stress-strain relationship of green sand to control the molding quality.

利用侧限压缩试验，研究了松散型砂在侧限应力状态下的力学行为，描述型砂压实状态的物理量，提出了型砂的瞬时压缩模量与压缩状态相关的假设。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。