æþ=?注å?模å?·å??å·?/a>????è¯?大å?å¡???ä»¶å??å·¥å?????å°ºå?åº?å½?ç¬þ@??以ä???ä¸??¹é?¢ç??è¦?æ±?ï¼?
1???·æ??è¶³å???强度????åºþ
2???±æ¨¡?¶è?½ç????±æ¨¡?ºæ?????²å?»å???????

3??è£????¶è?½æ?¿å??ç´§å?ºå????
æþ=?注å?模å?·å??å·¥å??ä»?ç»??°å???ä»¶å??å·¥ç??å£????¼å??å¡???ä»¶å??ç§??????·å???¶å??大å???ä¸?????????å·????å¡???ä»¶å??å·¥ä¸å£???è¿?大ä?ä½?æµ?´¹????ï¼?对ç???ºæ?§å?????????å·¥æ?¥è?ï¼?è¿?å¢???äº?模å?????¶é?´ï?å¹¶ä?容æ???????ºå??ä¸??????对ç????§å????¥è?ï¼???å¢???äº??·å?´æ?¶é?´ã??æ¤å?ï¼?è¿?ä¼?å½±å??å¡???ä»¶å??å·¥ç??è´¨é??ï¼???ä¸?注å?ä»¶ç??å£???åº?å°½å???½å????ï¼??þ@??ä¼???为å?·å?´å???ºå????åºþ????产ç??????åº?????