檢視 RecvFlag 的原始碼

=='''Format'''==
 RecvFlag // integer

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Flag for detector. If the flag is True, then the rays are terminated at the detector. The "cause" flag in the output file would be 'T' in this case. 
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=='''Example'''==
 #RecvFlag
 SurfScat
 Shell 1 
 1

The surface is a detector.