非矩形

Often divided into two types:(1) sine wave oscillator, according to the network oscillation frequency of the different loop selected further divided into RC sinusoidal oscillator, LC sinusoidal oscillators, quartz crystal oscillators, voltage-controlled oscillator, voltage-controlled crystal oscillator and other forms;(2) non-sinusoidal oscillation device, also known as relaxation oscillator, is the use of capacitor charging and discharging and active device (transistor, FET, single-junction transistor, etc.) to generate the pulse-off square wave, rectangular wave, triangle wave, sawtooth wave, or these basic waveforms synthetic waveform and its frequency by the LC time constant charge and discharge circuits to decide.

常分两大类型：（1）正弦波振荡器，根据振荡环路中选频网络的不同，又分为RC正弦波振荡器、LC正弦波振荡器、石英晶体振荡器、压控振荡器、压控石英晶体振荡器等多种形式；（2）非正弦波振荡器，又称张弛振荡器，是利用电容充放电及有源器件（晶体管、场效应管、单结晶体管等）的通断来产生脉冲方波、矩形波、三角波、锯齿波或这些基本波形的合成波形，其工作频率由LC充放电电路的时间常数来决定。

Programs, AFITA and SHET, are developed, which can be used to compute the critical velocity for straight tube arrays and U-tube arrays of all sorts of tube arrangements in uniform and non—uniform flow and to calculate the response of tube due to flow induced vibration.

6开发了软件AFITA、SHET，能进行三角形、矩形排列的U型管和直管管阵、均匀流和非均匀流的临界流速分析，单根管自由振动和湍流诱发振动分析。

Aiming at the complexity of data used by tradition method, the new method firstly extracted key points-unstructured data of position and scale stabilization from circum-rectangle area of human body,computed power spectral density of key point; Then obtained distribution of power spectral density of key point; finally judged human movement state form its distribution characteristic.

针对传统人体状态检测方法利用数据信息的复杂性，对图像中人体外接矩形区域提取位置和尺度稳定的非结构化数据信息——关键点，计算关键点的功率谱密度，在序列视频图像中可获得关键点功率谱密度的分布，利用其分布特点判断人体运动状态。

Now a standardized series of die springs are acailable to wordwide customers, and or-ders for custom-made are welcome as well.

同时可根据客户需要定做及设计非标矩形截面模具弹簧。

It was important to evaluate the ultimate bearing capacity of rectangular footings on inhomogeneous foundation under combined loading.

复合加载情况下，求解非均质地基上矩形基础的极限承载力，以及从理论上研究影响极限承载力的相关因素，具有很强的工程实用与理论参考价值。

A mathematical model of oil and water two-phase non-Darcy fluid flow in the direction of normal of the ellipses with initial pressure gradient is taken into account, which is a nonlinear equation with moving boundary and is established according to concepts of perturbable ellipses and equivalent developing regulations.

基于扰动椭圆的概念和等价的发展矩形的思想，建立了具有启动压力梯度的油水两相非达西椭圆二维渗流数学模型。

The calculation results of some examples are given. In the unstratified case, the cake cross section at any point is circular. When the flow is stratified, buoyancy cause the wake, which initially grows at the same rate in all directions, to collapse in the vertical direction and flatten out horizontally producing a very wide and thin rectangular shape.

在稳定层化海洋中，潜艇尾流以圆锥形增长；在非层化海洋中，初期尾流也以圆锥形增长，但在浮力作用下，尾流垂向增长崩溃，然后以又薄又宽的近于矩形截面增长，最后垂向尺度趋于常值。

Based on the analysis of signature mismatch by using rectangular window and root-raised cosine pulse shaping filter on non-frequency-selective fading multipath channels, a batched robust blind linear multiuser detection is proposed.

分析了非频率选择性多径信道下采用矩形窗脉冲成形以及均方根升余弦脉冲成形的DS-CDMA系统中特征波形的失配问题，提出了批处理实现的稳健盲线性多用户检测。

The transonic flutter characteristics are investigated for several wings, empennage and wing-body configuration, flutter critical speeds are numerically simulated.

以ONERA M6机翼和无后掠矩形机翼为算例，分别对它们的跨音速定常和非定常粘性绕流进行了数值模拟，计算结果和有关文献的结果进行了比较，吻合较好。

Rectangular and unstructured hybrid grids, re-normalization group k-ε turbulence model and discrete ordinates radiation model were adopt for the steady-state numerical calculation of air velocity filed and temperature filed, and obtained the distribution of air flow velocity and temperature in the passenger compartment.

采用矩形与非结构混合网格、RNGκ-ε两方程湍流模型、DO辐射模型对车室内的空气速度场及温度场进行了稳态数值模拟计算，获得了车室内空气流速及温度的分布情况。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。