ÁöµM¥ò¥¼¬£«{d¨÷ ¦ý¥D¬ìd¤À®tø¦h¤w¸g¥i¥H¨M©w¤@¤Á phy &chem §Ú²¬ìªº¸Ü¤@©wø·|² ¹ê¦b¤ÓÃø°Õ ¨ä¥L¬ì³£ø¦n±o¥hÃä ø©úø©ú ÂI¸Ñ¤H¦a°µ¨ìªº³¥§Ú°µø¨ì §ÚÂI³£ø·|«H §Úª¾¹D§Ú·|ø³æ¯°µ¨ì ¦Ó§Ú¤@©w·|¶W¶VÊ\¦a David §Úø·|¦A¤ñ¾÷·|§A¦ê§Ú¶ù°Õ