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: 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

台鐵車站情報站 - 可以監控機器使用狀況及用電量 - 前往 https://www.eshc.ntnu.edu.tw/Energy_Management/電能管理需量控制器節能技術手冊.pdf
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並前往 https://www.eshc.ntnu.edu.tw/Energy_Management/%E9%9B%BB%E8%83%BD%E7%AE%A1%E7%90%86%E9%9C%80%E9%87%8F%E6%8E%A7%E5%88%B6%E5%99%A8%E7%AF%80%E8%83%BD%E6%8A%80%E8%A1%93%E6%89%8B%E5%86%8A.pdf

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