價(jià)格
電議
型號
油泵
品牌
星興達(dá)
所在地
湖北省 武漢市
更新時(shí)間
2023-08-11 09:02:49
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PV032R1K1T1NGLC
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PV040R1K1T1NFFP
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PV040R1K1AYNMRZ
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PV046R1K1T1NFR1
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PV046R1K1T1NMMC
PV046R1K1T1NMM1
PV046R1K1T1NMRC
PV046R1K1T1NFWS
PV046R1K1T1NFRC
PV046R1K1T1NFF1
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PV046R1K1T1NMFC
PV046R1K1T1NMF1
PV046R9K1T1NMMC
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PV046R1K4T1NMR1
PV046R1K4T1NFHS
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PV046R1K1T1WFDS
PV046R1K1T1NMRZ
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PV046R1K1T1NFFP
PV046R1K1A4NFRC
PV046R1K1T1VFDS
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PV046R1K1T1WMM1
PV046L1K1T1NMMC
PV046R1K8T1VMMC
PV046R1K8T1NMMC
PV046R1K1T1NF
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PV046R1K4T1NFR1
PV046R1K1T1WMR1
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PV063R1K1A1NFHS
PV063R1K1T1NFFP
PV063R1K1T1NFPR
PV063R1K1T1NGLC
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如果只在豎直(Y軸)偏轉(zhuǎn)板上加一交變的正弦電壓Uy=U0sinωt,則電子束的亮點(diǎn)將隨電壓的變化在豎直方向來回運(yùn)動。由于Ux=0,所以光點(diǎn)在X軸方向無位移,在熒光屏上將顯示一條豎直亮線。如果只在水平(X軸)偏轉(zhuǎn)板上加上一個(gè)與時(shí)間成正比的鋸齒波掃描電壓Ux=KT(它可由示波器內(nèi)的掃描發(fā)生器產(chǎn)生的),電子束將在水平方向作周期性地從一邊勻速移動到另一邊,如果鋸齒波的周期較長,在熒光屏上可以看到電子束的移動過程,如果鋸齒波的周期足夠短,熒光屏上將只顯示一條水平亮線。