查询词典 field-glasses

AC motor of induction motor, its strong induced current magnetic field generated in the rotation, the rotor of the magnetic force on the copper line for cutting, according to Lenz's Law, the induced current has taken place against the rotor magnetic field and the effect of relative motion Therefore, while the rotor is rotating with the magnetic field.

交流电动机中的感应电动机，其强大的感应电流产生于转动磁场中，转子上的铜棒对磁力线的连续切割，依楞次定律，此感应电流有反抗磁场与转子发生相对运动的效应，故转子乃随磁场而转动。

In recent years, with the development of the micro-electronics technique, the price of GPS receiver have been greatly falling , and as a result of the United States closing SA to stop limiting the public position accuracy of GPS , the GPS positioning accuracy have improved greatly in public field. All this consumedly promote the development of GPS in public field, and especially in the vehicle navigation field , GPS shows its superiorly navigation performance.

近年来随着微电子技术的发展使得GPS接收机的价格大幅度下降，同时美国提前关闭SA停止对民间用户精度的限制使得GPS民用定位精度有了很大的提高，这大大促进了GPS在民用领域的发展，尤其是在车辆导航领域，GPS系统充分展示了它那优越的导航性能。

Based on the uniform magnetization model of the surface magnetic field distribution on multi pole drum for magnetic encoder , the surface magnetic field distribution on multi pole drum for magnetic encoder was studied with numerical analysis method, and the general expression of surface magnetic field distribution on multi pole drum was found.

基于磁编码器多极磁鼓表露场分布的均匀磁化理论模型，采用数值分析方法计算磁编码器多极磁鼓的表露场分布，得到了多极磁鼓的表露场分布的数值表达式。

And show effect of external magnetic field on flow field of blood considering coupling of magnetic field and flow.

在磁场和流场耦合状态下研究引入纳米磁性药物后磁场对血液流场的影响。

In order to verify the conclusions, need to design a uniform magnetic field strength devices, and can control the temperature of the magnetic field area. this combination of knowledge, we related knowledge, and design the magnetic field devices.

为了进一步验证理论推导的结论，需要设计一个强度可调的均匀磁场发生装置，并能控制磁场区的温度，本文结合相关知识，设计了实验所需的磁场发生装置。

Magnetic field is physics of a very abstract concept, the magnetic field is a special kind of material, that is, see also touched, but it is an objective reality, and the use of magnetic sensors to detect magnetic field strength are very ancient history.

磁场是物理学中很抽象的一个概念，磁场是一种特殊的物质，即看不见也摸不着，但它是客观存在的，利用磁传感器进行磁场强度检测有极其古老的历史。本文利用半导体"霍尔效应"制作的霍尔

In chapter five, it is founded in measuring the magnetic hysteresis loops withvarious field sweep rates that the penetration field of the high temperaturesuperconducting sample depends on the field sweep rate.

在第五章中，我们在实验中发现，在高温超导体样品变磁场扫描速率磁滞回线测量时，样品的完全穿透场与磁场扫描速率相关，这也是高温超导体磁弛豫的另一表现。

Based on the principle of electromagnetic field and magnetohydrodynamics, the force field of liquid metal in a PM field was analyzed.

以电磁场和磁流体动力学原理为基础，分析了旋转永磁体磁场内液态金属的受力。

The results of the double ring field tests show that both the permeability coefficient and infiltration depth of the marlite are greater than those of the clay stone, respectively, and that the stable permeability coefficient and infiltration depth obtained in geogrid reinforced field are one-fourth and one-second of those receirved in the treatment field with soil bags, respectively.

原位试验结果表明：泥灰岩的稳态渗透系数及入渗深度均大于黏土岩；格栅加筋处理场地的稳态渗透系数和入渗深度分别约为土袋处理场地的 1/4 ， 1/2 。

You can sort or group on a Text field or a Memo field, but Access only uses the first 255 characters when you sort or group on a Memo field.

用户可以根据"文本"字段或"备注"字段进行排序和分组，但在根据"备注"字段进行排序和分组时，Access 仅使用前 255 个字符。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐