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无线电工程制作优秀作品——电子书

2026-07-07 00:47:16

无线电工程制作优秀作品——电子书

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1962年首届全国无线电工程制作评比优秀作品资料选编.pdf

1962年首届全国无线电工程制作评比优秀作品资料选编2电子管收音机及电视接收机.pdf

1962年首届全国无线电工程制作评比优秀作品资料选编4无线电测试仪器.pdf

1962年首届全国无线电工程制作评比优秀作品资料选编6电子仪器.pdf

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请求信息 : 2026-07-12 21:49:36 HTTP/2.0 GET : https://g.15386.cn/a/472045.html
运行时间 : 0.233117s [ 吞吐率：4.29req/s ] 内存消耗：4,709.80kb 文件加载：140
缓存信息 : 0 reads,0 writes
会话信息 : SESSION_ID=e20d59df3135bd91bdbd916b19d77fb7

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CONNECT:[ UseTime:0.001199s ] mysql:host=127.0.0.1;port=3306;dbname=g_15386;charset=utf8mb4
SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001432s ]
SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.008965s ]
SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.004327s ]
SHOW FULL COLUMNS FROM `set` [ RunTime:0.001408s ]
SELECT * FROM `set` [ RunTime:0.000596s ]
SHOW FULL COLUMNS FROM `article` [ RunTime:0.001673s ]
SELECT * FROM `article` WHERE `id` = 472045 LIMIT 1 [ RunTime:0.004396s ]
UPDATE `article` SET `lasttime` = 1783864176 WHERE `id` = 472045 [ RunTime:0.039259s ]
SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000618s ]
SELECT * FROM `article` WHERE `id` < 472045 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001149s ]
SELECT * FROM `article` WHERE `id` > 472045 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000991s ]
SELECT * FROM `article` WHERE `id` < 472045 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.003175s ]
SELECT * FROM `article` WHERE `id` < 472045 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001590s ]
SELECT * FROM `article` WHERE `id` < 472045 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002195s ]

0.236634s

ShowPageTrace