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Severity: Notice

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Filename: models/Site_model.php

Line Number: 233

Backtrace:

File: /var/www/html/KOL/voice/application/models/Site_model.php
Line: 233
Function: _error_handler

File: /var/www/html/KOL/voice/application/controllers/Exitpage.php
Line: 109
Function: get_keyword_cat

File: /var/www/html/KOL/voice/public/index.php
Line: 319
Function: require_once

A PHP Error was encountered

Severity: Notice

Message: Trying to access array offset on value of type null

Filename: models/Site_model.php

Line Number: 233

Backtrace:

File: /var/www/html/KOL/voice/application/models/Site_model.php
Line: 233
Function: _error_handler

File: /var/www/html/KOL/voice/application/controllers/Exitpage.php
Line: 110
Function: get_keyword_cat

File: /var/www/html/KOL/voice/public/index.php
Line: 319
Function: require_once

疑難雜症萬事通 - 模擬自然界中砂土形狀 - 前往 https://www.researchgate.net/profile/Zhu_Daoli/post/How_to_build_many_clumps_in_PFC3D_31_by_ODECD/attachment/59d6238f6cda7b8083a1e3b4/AS:337904179138560@1457574042436/download/砂土颗粒三维形状模拟离散元算法研究_张程林.pdf
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