æå ³ç®åå好ççå´å·´ç»æ³å¦ä¸ï¼
1ãç¡®å®å´åå¨ç»çº¸çä½ç½®åå´åç大å°
å¨ç»çº¸ä¸ç¡®å®å´åçä½ç½®ï¼ç¶åå ç»åºä¸ä¸ªé¿æ¹å½¢ï¼ä¸è¬åé¨çæ¯ä¾ä¸º1ï¼2ï¼å°é¿æ¹å½¢ä¸å为äºï¼æ³¨æä¸å´åç¥èä¸äºï¼ä¸å´åç¨åä¸ç¹ãåä¸çº¿ç»ä¸æ¡ç±»ä¼¼äºä¸æ¯ç¹å¼ç®çå½¢ç¶ï¼æ³¨æç»çæ¶åå°½é对称ã
2ãç»åºä¸ä¸å´åè½®å»çº¿
以åä¸çº¿ä¸ºåèï¼åå«ç»åºå´åçå¼ å£å¤§å°åä¸ä¸è½®å»çº¿ï¼å¦ææ æ³æ³è±¡åºæ¥ï¼å¯ä»¥æ¾ä¸äºå´åæ£é¢çå¾çï¼å è¿è¡è§å¯ç¶ååç»ï¼è¿æ ·æå©äºæ¾åå´åçå½¢ï¼ä¹å¯ä»¥åå°åé¢å°ä¿®æ¹ã
3ãå°å´åæåºæ¶è²
ç¡®å®å¥½å½¢ä»¥åï¼å¨ä¸ååä¸åä¸è½»è½»æ¶ä¸ä¸å±é¢è²ï¼ä¸åä¸æ¹ä¸åæ²åºæ¯æä¸ä¸ªé»è²é´å½±é¨åãå®å¨å·¦å³ä¾§é¢è²åæµ å¼å§éæ¸æ¶å¤±ã
4ãç»å纹
使ç¨èªå¨é ç¬æè HBé ç¬ç»å´åä¸çç±çº¹ã轻轻å°ç»å³å¯ï¼ä¸è¦æå纹ç»çå¾éï¼ä¸ç¶åå´åè£å¼ä¸æ ·ãç»çæ¶å注æåé¨çææå ³ç³»ï¼æé¨ç»çç¨å¾®éä¸äºï¼å¨äº®çå°æ¹ç»çæµ ä¸äºã
5ãç»åºä¸ä¸å´å
使ç¨çº¸ç¬è®©ä¸åçé´å½±å¹³æ»ï¼å°å¿å°ç»é¿å ç»å¨å ç¹ä½ç½®ï¼è¿äºåºåéè¦çç½ãæä¸ä¸å´ä¸å±å±å°ç»åºå®ç纹çãçç½çåºåä¼ä½¿å´åæ¾å¾æ´å 丰满åå润ãè¿æ¶åä¼æ³¨æå°ï¼å´åç±çº¹éæ¸å¼å§ä¸é´å½±è为ä¸ä½äºï¼ä½æ¯å®ä»¬ä¸æ¯æ¶å¤±ï¼è¿æ ·ç»åºæ¥å´åæ¾å¾å¾é¼çï¼
6ãæ亮å´åä¸çé«å é¨å
ç¨åæä¸è§çæ©¡ç®æ¦ï¼æè ä¹°ççµå¨æ©¡ç®ï¼çå°å¤´æ¦è¿è¾äº®çåºåï¼å¹¶æ¸ çé«å 以产çç©å ææãè¿æ ·ä¸ä¸ªååå´åå°±ç»å¥½äºã