高频

The caustics phenomena of electromagnetic wave propagation in concave reflector, the singularities of caustics, and the method of

40174032的一部分，得到如下结果：论文分析了利用Maslov方法求解非均匀介质中波动方程高频近似解的基本原理和求解过程，构造了介质系数只在一个方向变化时波动方程高频近似解的通用计算公式。

The wave shape of the high frequence recovery voltage determines the unsuccessful choppings. It is also found that putting some magnetic rings on the main circuit connecting wire can limit the chopping current increase caused by the load capacitance.

本论文发现了恢复电压起始部分存在陡度很大的高频波峰，它是由回路连线电感中的截断电流对触头间电容充电引起的，它导致了截流前的不成功截断，增大触头并联电容将显著减小恢复电压的高频波峰，使截流显著增大。

A metal of wear resistance was cladded on carbon steel using high frequency surfacing .

采用高频堆焊方法在碳素钢基体上堆焊一层耐磨覆层材料，用正交试验方法研究了焊料成分对高频堆焊性能的影响。

Based on the beam loading theory in storage ring, traditional mode with large detuned angle and tuned mode of RF system in the injection process of Hefei light source were calculated and disadvantages of these two modes were analyzed.

根据储存环高频系统束流负载理论，研究计算了合肥光源注入过程中高频系统的大失谐角工作模式和调谐工作模式。

Based on the analysis of scaling and anti scaling mechanism, the feasibility of applying high frequency electro magnetic field in the ash removal system in power station together with other physical anti scaling technologies in water treatment has been discussed.

从结垢机理、防垢机理出发，并结合其他物理防垢技术，通过在某电厂的高频电磁场试验研究，阐明高频电磁场在电厂除灰系统中应用的可行性，同时提出了在应用和研究中需注意的问题和建议。

Asia and Pacific Energy Investing will spare no effort in mass producing high-frequency electrodeless lamp, whose focus would be on streetlight energy-preserving industry. Messenger of Light Project, the first phase of their cooperation with Nanjing Kua Shi Ji Group, planned to promote its high-frequency electrodeless lamp to half of Chinese cities within two years, as well as go public at Singapore and Hong Kong.

成立后的亚太能源投资有限公司将致力于高频无极灯的大批量生产、安装和管理，大力发展以路灯照明为主的节能产业，一期合作将投资3亿元人民币实施&光明使者&工程，争取用两年左右时间，将高频无极灯推广到中国内地约50%的城市，并使&亚太&公司在新加坡和香港上市。

DiSEqC mode is for port selection of the four-way DiSEqC switch.

卫星项选择要设置的卫星，LNB类型所用高频头单双本振的选择，LNB电源选择开，选择高频头的本振频率，0/12V选择0V，22KHz 为22KHz切换器选项，DiSEqC模式为四切一端口选项。

The merged high frequency coefficients come from the high frequency coefficients of the histogram matched panchromatic image with the proposed fusion method, while the fused low frequency coefficients are obtained according to the fusion rule suggested in this paper.

该方法将直方图匹配后的全色影像的高频系数作为融合后的高频系数，而融合后的低频系数依据新提出的融合规则得到，最后采用小波逆变换与逆IHS 变换获得融合图像。

The method to setup high frequency transfer function model for instrument transformer in GIS by means of Vector Fitting is presented. According to the practical condition, the order reduction method for the high frequency transfer function model of instrument transformer is proposed.

提出了采用矢量匹配法逼近互感器实测频率响应特性建立其高频传递函数模型的方法，并提出了互感器高频传递函数模型的降阶方法。

Accident prevention;Anaesthesiology;Classes of protection;Classification;Clearances;Colour codes;Definition;Definitions;Dimensions;Earth conductors;Earthing;Electric appliances;Electric mains;Electrical appliances;Electrical engineering;Electrical medical equipment;Electromagnetic compatibility;Electromedicine;Electrostatics;EMC;Environmental conditions;Equipment;Equipment safety;Explosion protection;Graphic symbols;High frequencies;High frequency surgery;Impact testers;Insulations;Interference rejections;Interferences;Interfering emissions;Leakage paths;Letterings;Lists;Low frequencies;Marking;Measurement;Medical equipment;Medical sciences;Medical technology;Operational instructions;Protection coverings;Qualification tests;Radiation protection;Radiofrequency apparatus;Safety;Safety devices;Safety engineering;Safety requirements;Specification;Strength of materials;Surveys;Symbols;Temperature;Test equipment;Testing;Testing voltages;Transformers

中文主题词事故预防；麻醉学；防护等级；分类；清除；色码；定义；尺寸；接地导线；接地；电气器具；电源；电气设备；电气工程；医用电气设备；电磁兼容性；电医学；静电学；EMC；环境条件；设备；设备安全；防爆；图形符号；高频；高频外科学；冲击试验器；绝缘；干扰抑制；干扰；干扰辐射；漏电路径；文字书写；表；低频；作标记；测量；医疗设备；医学科学；医疗技术学；操作说明；保护覆盖层；合格试验；辐射防护；射频设备；安全；安全装置；安全工程；安全要求；规范；材料强度；调查；符号；温度；试验设备；测试；测试电压；变压器

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！