下模

For the purpose of researching the factors which affect the dynamic characteristic of mast of builder's hoist and analyzing the impact of different factors over system security, the authors of the paper applied the finite element method to build the model and made the modal analysis for mast which was installed with various installation distances or under different working conditions.

目的 探讨影响施工升降机导轨架结构动态特性的因素，分析不同因素对结构安全性的影响。方法采用有限元方法，建立了施工升降机导轨架等有限元模型，并对吊笼运行不同工况以及多种附着装置安装间距下的导轨架结构进行模态分析。

According to the structural properties of tuning blade-disk assemblies, the matrix perturbation method is used to analyze the influence of mistuning on the natural vibration characteristics. The formulas for perturbation values of first and second order are derived.

根据谐调叶盘的结构特点，用矩阵摄动法分析了失调对叶盘固有振动特性的影响，推导了孤立特征值和密集模态组二种情况下固有频率和振型的一阶、二阶摄动计算公式。

A development of modern automaticinjection moulding machines is the multi-component1 machine in which sandwich mouldings, for example, are produced.

与注塑不同的是，挤出机是连续工作的。塑化了的混合物在机械力作用下通过一个模口。

X(k+1)\}=AX\}(1) where A is an n×n fuzzy matrix, the n-tuple fuzzy vector X(0) is a starting state, AX are products of fuzzy matrices in the sense of max-T and T is a triangular norm.

考察如下模糊离散动力系统X(k+1)=AX (1)其中A为n阶模糊方阵，系统初态X(0)为n维模糊向量，AX为max-T 意义下模糊矩阵的乘积， T为三角模。

Dynamics models of vertical direction and horizontal direction for tractive elevator are established.

最后，在仿真结果的指导下进行电梯整体试验模态分析和电梯减振技术研究。

The results showed that the pouring temperature and mould shell temperature have obvious effect on the properties of the superalloy.

系统地研究了浇注温度和模壳温度对铸造高温合金K423A室温拉伸性能和850℃/325 MPa下持久性能的影响。

In order to examine the effect of die gap on the wrinkling, the stamping of a tapered square cup with three different die gaps of 20 mm, 30 mm, and 50 mm was simulated. In each simulation, the die cavity opening is fixed at 200 mm, and the cup is drawn to the same height of 100 mm.

为了验证模具间隙对起皱的影响，模拟了一个在从20MM， 30MM和50MM不同模具间隙下的锥形方杯的冲压，在每次仿真中，模腔打开固定在200MM，杯形拉伸同样高度100MM。

Slipform elevation assembly machinery, that is, under the port elevation template should be the basis of the surface elevation in 20mm, in order to upgrade the enclosure frame leveling.

滑模机具的组装标高，即模板下口标高，应在基础面上抬高20mm ，以便于提升架围圈的调平。

An optimized method is presented to design the down scalers in a GHz frequency synthesizer.

介绍了一种应用于GHz级高速频率合成器的数模混合下变频模块。

Using the software of I-DEAS, the dynamic finite element model of entire reducer was established including gear, ring plate, shaft, bearing and gearbox housing and used to analyze the vibration modal, the time-domain and frequency domain dynamic response and one-third octave velocity grade structural borne noise of double ring gear reducer under dynamic excitation.

利用I-DEAS软件，建立了包括齿轮、环板、传动轴、轴承和箱体的整个减速器系统的动力有限元分析模型，计算了减速器的振动模态、动态激励下的时域和频域响应，以及速度级1/3倍频程结构噪声。

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。