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- directional HF antenna 定向高频天线
- Use of "look, listen and smell" three pointers, the villas omni directional patrols. 运用“看、听、闻”三要领,对公寓进行全方位巡逻。
- Ground-Based Electronic Omni Directional Satellite Communications Antenna 陆基电子全向卫星通信天线
- It not only provides the learners as well as consumers with service which is omni directional,all-leveled,professional,individuated and humanized,but also optimizes and perfects itself. 构建“教育超市”是建立现代学校制度的必然选择,是提升教育行业服务水平的必然要求。
- Two dimensional image was obtained by transesophageal echocardiography.The thickness,wave time and velocity were showed during atrial septal motion by omni directional M mode echocardiography (OME). 应用经食管超声心动图获得二维图像,全方向M型超声显示并测量房间隔运动时的厚度、波幅时间及速度。
- Low Frequency Omni Directional Radio Range 低频全向无线电信标
- Three methods including simplification formula method, scale brass model method and numerical method are introduced for predicting the isolation between HF antennas on navy ship. 介绍用于舰船短波天线隔离度预测的简化公式法、缩尺模型法和数值计算法三种方法,分析三种方法的原理。
- Low Power VHF Omni Directional Range 低功率甚高频全向无线电信标
- omni directional longer/shorter leg iron tower 全方位长短腿铁塔
- The mathematical model for optimizing placement of shipboard HF antenna 舰船短波通信天线优化布置数学模型
- On Helicopter Rotor-blade Modulation of HF Antenna Electromagnetic Behavior Using Method of Moments 用矩量法研究直升机高频天线电磁特性的旋翼调制效应
- A novel AlGaInP thin-film light emitting diode with Omni directional reflector 新型全方位反射铝镓铟磷薄膜发光二极管
- She cast her eyes down to avoid direct eye contact. 她垂下双目以避免对视。
- I'll book you on a direct flight to London. 我将为你预订直飞伦敦的航班。
- omni-directional HF antenna 全向高频天线
- adjustable dipole HF antenna 可调偶极高频天线
- He has chosen the most direct route. 他选取了最直的路线。
- omni directive antenna 全向天线
- Elevated HF Antenna 空中极高频天线
- She's very direct, believes in speaking her mind. 她为人直率,喜欢有什么说什么。