{"id":1502,"date":"2017-03-13T20:59:59","date_gmt":"2017-03-13T12:59:59","guid":{"rendered":"http:\/\/www.bookcard.net\/wordpress\/?p=1502"},"modified":"2017-09-06T20:09:51","modified_gmt":"2017-09-06T12:09:51","slug":"piano_string","status":"publish","type":"post","link":"https:\/\/www.bookcard.net\/wordpress\/piano_string\/","title":{"rendered":"\u92fc\u7434-\u5f26\u5217"},"content":{"rendered":"
\"\u92fc\u7434-\u5f26\u5217\"<\/a>
\u92fc\u7434-\u5f26\u5217<\/figcaption><\/figure>\n
\"\u92fc\u7434-\u5f26\u5217\"<\/a>
\u92fc\u7434-\u5f26\u5217<\/figcaption><\/figure>\n
\"\u92fc\u7434-\u5f26\u5217\"<\/a>
\u92fc\u7434-\u5f26\u5217<\/figcaption><\/figure>\n
\"\u92fc\u7434-\u5f26\u5217\"<\/a>
\u92fc\u7434-\u5f26\u5217<\/figcaption><\/figure>\n

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\n6. \u639b\u5f26\u91d8
\n7. \u5225\u5f26\u91d8<\/p>\n

\u7434\u5f26
\n\u7434\u5f26\u662f\u92fc\u7434\u7684\u97f3\u6e90.
\n\u7434\u5f26\u5206\u70ba\u88f8\u5f26\u548c\u7e8f\u5f26
\n1. \u88f8\u5f26-\u7528\u65bc\u4e2d\u9ad8\u97f3\u5340
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\u7434\u5f26\u65b7\u7684\u539f\u56e0.
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\n\u8abf\u540c\u5ea6-\u8abf\u5f8b\u6642\u8abf\u9019\u4e00\u7d44\u5f26<\/p>\n

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\u7e8f\u5f26\u7684\u8a08\u7b97
\nl=(1\/df)*(\u221aTg\/PI*P)
\nd=(1\/lf)*(\u221aTg\/PI*P)
\nF=\u5f26\u5f35\u529b
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\u5f26\u5f91\u8868<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u7dda\u865f<\/td>\n\u76f4\u5f91MM<\/td>\n<\/tr>\n
13<\/td>\n0.775<\/td>\n<\/tr>\n
13.5<\/td>\n0.800<\/td>\n<\/tr>\n
14<\/td>\n0.825<\/td>\n<\/tr>\n
14.5<\/td>\n0.850<\/td>\n<\/tr>\n
15<\/td>\n0.875<\/td>\n<\/tr>\n
15.5<\/td>\n0.900<\/td>\n<\/tr>\n
16<\/td>\n0.925<\/td>\n<\/tr>\n
16.5<\/td>\n0.950<\/td>\n<\/tr>\n
17<\/td>\n0.975<\/td>\n<\/tr>\n
17.5<\/td>\n1.000<\/td>\n<\/tr>\n
18<\/td>\n1.025<\/td>\n<\/tr>\n
18.5<\/td>\n1.050<\/td>\n<\/tr>\n
19<\/td>\n1.075<\/td>\n<\/tr>\n
19.5<\/td>\n1.100<\/td>\n<\/tr>\n
20<\/td>\n1.125<\/td>\n<\/tr>\n
20.5<\/td>\n1.150<\/td>\n<\/tr>\n
21<\/td>\n1.175<\/td>\n<\/tr>\n
22<\/td>\n1.225<\/td>\n<\/tr>\n
23<\/td>\n1.275<\/td>\n<\/tr>\n
24<\/td>\n1.3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

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