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- galena crystal detector 方铅晶体检测器
- Those were indeed the olden days so the only "active" element was a galena crystal grazed by a wire whisker. 那确实发生在过去的岁月,所以,我唯一的“行动”是利用金属须晶轻轻擦过硫化铅晶体。
- The crystal detector was soon replaced by the thermionic value and had largely become obsolete by 1939. 晶体检波器不久即被热电子管所代替,到1939年已大部分变成了废物。
- a fine wire in contact with a galena crystal acts as a rectifier. 像整流器一样连接方沿矿晶体和细金属丝。
- characteristic curve of crystal detector [电] 晶体检波器的特性曲线
- a fine wire in contact with a galena crystal acts as a rectifier 像整流器一样连接方沿矿晶体和细金属丝
- Pickard was a researcher in the early days of wireless.He experimented with crystal detectors, used in crystal radio receivers. 他是早期的无线电研究者,做应用于晶体无线电接收机的晶体检波器实验。
- Computer Aided Calibration of Microwave Crystal Detector 微波晶体检波二极管的计算机辅助定标
- This set of crystal wine cups is very expensive. 这套水晶玻璃酒杯非常昂贵。
- I lost my crystal necklace at the party. 我在晚会上丢失了水晶项链。
- She made her meaning crystal clear. 她把她的意思解释得清清楚楚。
- Determination of microamount of nitrite in foods using piezoelectric crystal detector 食品中痕量亚硝酸盐的压电频移分析
- He drank from a crystal wine glass. 他用水晶酒杯喝酒。
- The house stood by a crystal stream. 那所房子坐落在清澈的小溪旁边。
- The crystal detector was soon replaced by the thermionic value and had largely become obsolete by 1939 晶体检波器不久即被热电子管所代替,到1939年已大部分变成了废物。
- Keywords Nitrite;piezoelectric crystal;microdetermination;water;piezoelectric crystal detector; 亚硝酸盐;压电晶体;痕量测定;天然水;压电频移法;
- He wants to make it crystal clear that he do not agree with us. 他想表明清楚他不同意我们的意见。
- Thanks for the explanation; it's all now clear as crystal. 谢谢你的解释,现在完全清楚了。
- A marine detector is a hydrophone. 海洋检波器是水中地震检波器。
- Thermopile is usually a blackened thermal detector. 热堆一般是个涂黑了的热探测器。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries