It can also be specified that the angle of the invading electron is seen with the direction of the exiting photon by :
It can also be specified that the angle of the incoming electron with the direction of the outgoing photon is seen by

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- yes
yes

Unlike many amateur astronomers , scientific research is mostly not the `` main goal '' for professional astronomers .
Unlike professional astronomers , for many amateur astronomers , scientific research is usually not the `` main goal '' .

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- yes
no

The Olt River is a tributary of the Stini River in Romania .
The Olt River is a tributary of the Stiniș River in Romania .

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- no
- yes
yes

Babatunde Obada is married to Olusola with whom they have four children .
Olusola is married with Babatunde Obada , with whom they have four children .

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- no
- yes

yes