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博客来棋牌
实验喷雾干燥机厂家,本规范是JJG 374-1997的修订
添加时间:2019/9/26 8:25:26

  电平振荡器一般采用差频原理工作,输出的正弦波信号经内置输出衰减器调整至所需电平;通常可分为指针式电平振荡器和数字指示式电平振荡器两种类型,同时具有平衡和不平衡两种输出端口,此外这两种输出端口还可以选择多种输出阻抗以适应不同的阻抗需求。实验喷雾干燥机厂家

博客来棋牌  BENGUIFANYIJUJJF1071-2010《GUOJIAJILIANGXIAOZHUNGUIFANBIANXIEGUIZE》HEJJF1059.1-2012《CELIANGBUQUEDINGDUPINGDINGYUBIAOSHI》BIANXIE。

  BENGUIFANSHIJJG 374-1997DEXIUDING。YUJJG 374-1997XIANGBI,CHUBIANJIXINGXIUGAIWAI,BENGUIFANZHUYAOBIANHUARUXIA:PINLVSHANGXIANCONG100 MHzKUOZHANZHI150 MHz;GENJUDIANPINGXIANSHIFANGSHIDEBUTONGXIHUALEXIANGYINGDEJISHUZHIBIAOHEXIAOZHUNFANGFA;ZENGJIALEBUTONGSHUCHUZUKANGXIADEBUPINGHENGSHUCHUDIANPINGCELIANGDEXIAOZHUNFANGFA;XIAOZHUNSUOYONGYIQIYOUZHUANYONGYIQIGAIWEITONGYONGYIQI,TONGSHIXIUGAILE0 dBmDIANPING、BIAOTOUKEDU、SHUAIJIAN、SHUCHUPINGHENGDUDEXIAOZHUNFANGFA;SHANCHULEHUIBOSUNHAODEXIAOZHUNFANGFA;FULUZHONGJICHULESHUCHUDIANPINGDEBUQUEDINGDUPINGDINGFANGFASHILI。

  YIJUJJF1071-2010《GUOJIAJILIANGXIAOZHUNGUIFANBIANXIEGUIZE》,BENGUIFANZAIZUZHIJIAGOUSHANGBAOKUOYINYAN、FANWEI、GAISHU、JILIANGTEXING、XIAOZHUNTIAOJIAN、XIAOZHUNXIANGMUHEXIAOZHUNFANGFA、XIAOZHUNJIEGUOBIAODA、FUXIAOSHIJIANJIANGEHEFULUDENGNEIRONG。

  BENGUIFANSHIYONGYUPINLVSHANGXIANWEI150MHzDEDIANPINGZHENDANGQIDEXIAOZHUN;CHUANSHUCESHIYIZHONGFASONGBUFENDEXIAOZHUNKEYICANZHAOZHIXING。