看一下幫助,裡面有 7RD$=?o O'
INTERFACE r [ t m m'] ? %Z7%jma
COAT k coat coat' "NKf0F
-k @7fm1b
+k Rnr#$C%
The signs in front of k can be used to instruct ASAP to either propagate only a reflected ray (-k: t=0) at that object or to propagate only a transmitted ray (+k: r=0) at that object. p!}ZdX[u
+ 指只有折射沒有反射光, G)8ChnJa!m
- 指只有反射沒有折射。