²úƷϵÁÐ
·ÖÏíµ½
NSR÷缯ÐÍ200ÂÞ´Ä·ç»ú/ÂÞ´ÄÕæ¿Õ±Ã
»¹ÔÚ˼Á¿Â𣿣¿£¿£¿£¿£¿ÈôÊÇÏëÏÈÄõ½ÑùÆ·£¬ £¬£¬ £¬£¬£¬ÇëÁªÏµk8¿·¢£¡
Ä¿½ñ²úÆ··ÖÀà
Òªº¦´Ê
- ²úÆ·ÐÎò
-
¹Ä·ç»úµÄÑ¡ÐÍ
1¡¢Ñ¡ÐÍ°ì·¨
a.ÓÃ;£ºÇø·Ö¹Ä·çÓÃ;ÕÕ¾ÉÕæ¿ÕÓÃ;£¬ £¬£¬ £¬£¬£¬
b.ÆøÌåÐÔ×Ó£º¿ÕÆø¡¢ÃºÆøÒà»òÆäËû½éÖÊ
c.¹¤¿ö²ÎÊý£º½øÆøζȡ¢½øÆøѹÁ¦¡¢Éýѹ(ÅÅÆøѹÁ¦»òÕæ¿Õ¶È)£¬ £¬£¬ £¬£¬£¬Á÷Á¿£¬ £¬£¬ £¬£¬£¬ÒÔ¼°¶ÔÅÅÆøζȼ°ÔëÒôÖµµÄÒªÇó
d.ÇéÐÎ״̬£º×°Öó¡ºÏ¡¢ÍâµØ´óÆøѹ¡¢Äêƽ¾ùζȵÈ
ÂÞ´Ä·ç»ú/ÂÞ´ÄÕæ¿Õ±Ã¹ØÓÚÁ÷Á¿¼òÖ±¶¨£¬ £¬£¬ £¬£¬£¬¿Éƾ֤±¾Ñù±¾ÖÐËùÊö¾ÙÐл»Ëã¡£¡£¡£¡£¡£µ±Éæ¼°µ½ÌØÊâ½éÖÊÈçÇâÆø¡¢°±Æø¡¢»ìÏýÆøÌåµÈµÈʱ£¬ £¬£¬ £¬£¬£¬¿ÉÁªÏµÎÒ¹«Ë¾ÊÖÒÕ²¿Ðͬȷ¶¨¡£¡£¡£¡£¡£
NSRÌص㣺
£¨1£©·ç»úÈë¿Ú½ÓÄÉÂÝÐýÐÍ·½·¨£¬ £¬£¬ £¬£¬£¬Ò¶ÂÖÔÚת¶¯Ê±£¬ £¬£¬ £¬£¬£¬¶¥¶Ë͹̨¾ÂÝÐýÏßÇÐÈë»ú¿Ç£¬ £¬£¬ £¬£¬£¬ÐγÉÒ»¸öÑÐò·¿ª¡¢¹Ø±ÕµÄÐÍÇ»£¬ £¬£¬ £¬£¬£¬´Ó¶øʹ·ç»úÂö¶¯¼õС¡£¡£¡£¡£¡£
£¨2£©×ª×Ó½ÓÄÉÁ×ÆüÏȽøµÄÐÍÏߣ¬ £¬£¬ £¬£¬£¬ÆäÃæ»ýʹÓÃϵÊý´ï0.53,ÈÝ»ýЧÂÊÔÚÉýѹ98kPaʱÌá¸ßÁË5%~8%£¬ £¬£¬ £¬£¬£¬ÔëÒôϽµÁËÔ¼5dB£¨A£©¡£¡£¡£¡£¡£
£¨3£©×ª×ÓËùÓÐÓÉϸÃÜÊý¿ØרÓÃ×°±¸£¨Êý¿ØË«ÏòÇúÃæÅÙ´²£©Éú²ú£¬ £¬£¬ £¬£¬£¬²¢ÓÉÈý×ù±êÕÉÁ¿ÖÐÐÄÖʼ죬 £¬£¬ £¬£¬£¬¹Ê¶øÿ̨·ç»úÖ®¼äÍêȫûÓÐÐÔÄÜÎó²î¡£¡£¡£¡£¡£×ª×Ó²¿ÔÚ×éװ֮ǰËùÓо¶¯¡¢¾²Æ½ºâÊÔÑ飬 £¬£¬ £¬£¬£¬ÒÔÊÇ·ç»úÕñ¶¯¼«Ð¡¡£¡£¡£¡£¡£
£¨4£©½ÓÄɸ߾«¶ÈÄ¥Ï÷³ÝÂÖ£¬ £¬£¬ £¬£¬£¬ïÔÌÁË»úеÔëÒô£¬ £¬£¬ £¬£¬£¬³ÝÂÖ¾«¶ÈΪ¹ú±êGB/T 10095—2008ÒªÇóµÄ5¼¶¾«¶È¡£¡£¡£¡£¡£
£¨5£©ÐÂÐÍÈ«¹Ø±ÕʽÓÍÏä¼°Èó»¬ÏµÍ³£¬ £¬£¬ £¬£¬£¬°ü¹ÜÁË·ç»ú²»ÅçÓÍ¡¢²»Â©ÓÍ£¬ £¬£¬ £¬£¬£¬¶Å¾øÁËÀÏʽÂÞ´Ä·ç»úÅçÓÍ¡¢Â©ÓÍÕ÷Ïó´øÀ´µÄÏÖ³¡ÎÛȾ¡£¡£¡£¡£¡£
£¨6£©Óë±±¾©Ä³ÉùѧÑо¿ËùÏàÖú£¬ £¬£¬ £¬£¬£¬ÔÚǽ°åÉϹ¹½¨“»ØÉùÀȲ۔½á¹¹¡£¡£¡£¡£¡£´Ë½á¹¹²»µ«ÓÐÖúÓÚÈó»¬ÓÍÉ¢ÈÈ£¬ £¬£¬ £¬£¬£¬¸üʹ»úеÔëÒô½µµÍ¡£¡£¡£¡£¡£ÏÖʵÖУ¬ £¬£¬ £¬£¬£¬´Ë½á¹¹¿ÉÓÐÓýµÔëÔ¼3-5dB(A)¡£¡£¡£¡£¡£
£¨7£©Ëæ׏«Ë¾Æ±ðÀëÎÀí£¬ £¬£¬ £¬£¬£¬Éú²úÖÎÀíϵͳ¼òÖ±Á¢¼°ÍêÉÆ£¬ £¬£¬ £¬£¬£¬ÊµÏÖÁË·ç»ú¸÷²¿¼þ¾ßÓпɽ»Á÷ÐÔ¡£¡£¡£¡£¡£´Ó¶ø½µµÍÁËÉú²ú±¾Ç®£¬ £¬£¬ £¬£¬£¬Ò²Ëõ¶ÌÁ˹©»õÆÚ¡£¡£¡£¡£¡£¸Ã·ç»úÒ»Ñùƽ³£ÇéÐÎÏ£¬ £¬£¬ £¬£¬£¬ÓÐÊÊÁ¿¿â´æ£¬ £¬£¬ £¬£¬£¬¿ÉʵÏÖµ±Ì칩»õ¡£¡£¡£¡£¡£
ÔÚÏß×Éѯ
×¢ÖØ£ºÇëÁôÏÂÄúµÄÁªÏµ·½·¨£¬ £¬£¬ £¬£¬£¬k8¿·¢×¨ÒµÖ°Ô±»á¾¡¿ìÓëÄúÁªÏµ£¡
¸ü¶à²úÆ·
