| 1. | Reflection of a beam of light on the diaphragm falls on a phototransistor .
经膜片反射的光束照射到光敏管上。
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| 2. | Alloy diffused phototransistor
合金扩散型光电晶体管
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| 3. | Semiconductor optoelectronic devices . delail specification for type gt16 si . npn phototransistor
半导体光电子器件gti6型硅npn光电晶体管详细规范
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| 4. | Blank detail specification : ambient rated photocouplers with phototransistor output ; german version en 120004 : 1992
空白详细规范.与光电晶体管输出匹配的环境级光电耦合
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| 5. | Blank detail specification - phototransistors , photodarlington transistors , phototransistor arrays ; german version en 120003 : 1992
空白详细规范:光电晶体管光电复合晶体管光电晶体
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| 6. | Specification for harmonized system of quality assessment for electronic components - blank detail specification - ambient rated photocouplers with phototransistor output
电子元器件质量评定协调体系规范.空白详细规范.规定环境下有光电晶体管输出的光电耦合器
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| 7. | Semiconductor devices . harmonized system of quality assessment for electronic components . ambient rated photocouplers with phototransistor output . blank detail specification
半导体器件.电子器件质量评估协调体系.带光电晶体管输出的特定环境温度光电耦合器.空白详细规范
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| 8. | Specification for harmonized system of quality assessment for electronic components - blank detail specification - phototransistors , photodarlington transistors , phototransistor arrays
电子元器件质量评定协调体系.空白详细规范.光电晶体管光电复合晶体管光电晶体管阵列
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| 9. | Dds951 series electronic single - phase electric meter is the most advanced static electronic meter in china . the meter designs use large - scale intergated circuit . high reliability step motor , it can the ac single - phase active energv voltage rating : 220v : frequency 50hz , positive and negative two directions and accumulates in one direction . the test singnal is isolated by phototransistor : it also has the function of anti - fraud , and indicates it s operation situation on flash light , so it could be managed very easy
Dds951单相电子电能表，是金雀仪表公司开发的新型电度表。该产品是采用规模专用集成电路，高可靠性步进电机等先进技术制造的国内最新电能试题新产品，用来计量额定电压为220v ，频率为50hz的交流单相有功电能，该产品能够精确计量正负两方向的有功电能，且以同一个方向累计。
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