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The phase of the magnetic field in this startup winding is shifted from the phase of the mains power, allowing the creation of a moving magnetic field which starts the motor.

启动绕组磁场的相位随着电网的相位变化而变化，从而产生一个启动电机的旋转磁场。

In order to recognize field mature tomatoes under natural condition correctly and finish their automatic picking successfully,the recognitionmethod based on color features of field tomatoes was studied.

为正确识别自然条件下田间成熟番茄，顺利完成其自动采摘，研究了基于颜色特征的田间番茄识别方法。

LES cooperated with the second order full extension ETG finite element method is applied to simulate three typical problems concerned with convection heat transfer with sufficient experimental data. By comparing the numerical results with the experimental results, LES is proved to be of better accuracy and stability when it is used to solve the problems concerned with convection heat transfer. The time history of the flow field and temperature field can be reflected better, and abundant information of the fields can be obtained. Furthermore the details of the change in the vortex structure can be captured.

应用大涡模拟与二阶全展开ETG有限元离散格式相结合的方法对具有实验基础的三个典型对流换热问题进行了数值模拟，并将模拟结果与相应的实验结果进行对比，证明了大涡模拟应用于对流换热问题中具有较高的稳定性和精度，能够较好地反映流场和温度场的时变过程，提供丰富的温度场和流场信息，捕捉流场中旋涡结构的变化细节，尤其适合于边界形状复杂的区段内含有大尺度各向异性涡的流动和换热问题的计算。

There exists t∈K, such that K/Fq is a finite separable extension, where Fq isa finite field with q elements, k = Fq is the rational function field over Fq.

存在t∈K，使得K/Fq为有限可分扩张，其中Fq为q元有限域， k = Fq是Fq上的有理函数域。

Finite element simulation of temperature field and stress field in laser forming.

激光弯曲成形温度场与应力场的有限元模拟。

On the signal design, we analysed the criteria for LPI radar in analogue field and finite field.

在信号设计方面，分析了低截获雷达信号的模拟域和数字域评价标准。

First, a mathematic model for laser diode with a cool is established, which is looked as a first order segment of inertia in theory. It analyzes the step response in the S field and the time field separately after adopting PID control technique, and it also analyzes the equivalent noise model of the amplifying circuit.

首先从理论上对带制冷的半导体激光器组件建立了数学模型，将其看作一阶惯性环节，分别在S域和时域里详细分析了采用PID控制技术后的阶跃响应；同时也对光接收机放大电路等效噪声模型进行分析。

The results show that the flow-field boundary augments with increase of flight altitude at the same flight Mach number and the same mass flow rate, and augments with the increase of mass flow rate at the same flight. At the same time, the combustion gas injection flow-field structures change greatly with the variety of flight status parameters.

结果表明，在发动机排气质量流率相同的情况下，高空时燃气射流流场的边界比低空大；相同飞行高度时，随着发动机排气质量流率的增加，燃气射流流场边界随之增大，同时射流流场的结构也有很大的不同。

The generant frequency of flood disaster is high and distributing field is wild, the 50 percent population and 70 percent properties are distributed at the threaten field of flood disaster in China. Flood disaster has caused a huge amount of economical losses and this losses has an increasing trend.

在我国，洪水灾害发生的频率高，分布区域广，全国约有50％的人口，70％的财产分布在洪水威胁区内，每年因洪水灾害造成的经济损失十分巨大，而且呈上升趋势。

This article through to the beach flood and field shore oil field's oil gas man-made island, enters the sea route and production equipment's main harm source conducts the research, analyzes its consequence with the influence, and proposes to the main harm source regulatory measures.

本文通过对滩海陆岸油田的油气人工岛、进海路与生产设备的主要危害源进行研究，分析其后果跟影响，并提出对主要危害源的控制措施。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新