Either one is OK. I usually use dark field (diffracted beam). It will be strange if you use both.

 
  • 用雙束條件來(lái)確定位錯的伯格斯矢量,在成像時(shí)用透射點(diǎn)成像,還是衍射點(diǎn)成像,或是用這兩個(gè)點(diǎn)同時(shí)成像?謝謝
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