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

疑難雜症萬事通 - 壓力 除 以 密度 - 前往 https://query.libretexts.org/简体中文/大学物理学_I-力学、声音、振荡和波浪_(OpenStax)/14:_流体力学/14.03:_14.3：流体、密度和压力（第_2_部分）
疑難雜症萬事通
在網路上遇到任何問題都可以在這邊找找看唷

Search

您即將離開本站

並前往 https://query.libretexts.org/%E7%AE%80%E4%BD%93%E4%B8%AD%E6%96%87/%E5%A4%A7%E5%AD%A6%E7%89%A9%E7%90%86%E5%AD%A6_I-%E5%8A%9B%E5%AD%A6%E3%80%81%E5%A3%B0%E9%9F%B3%E3%80%81%E6%8C%AF%E8%8D%A1%E5%92%8C%E6%B3%A2%E6%B5%AA_(OpenStax)/14%3A_%E6%B5%81%E4%BD%93%E5%8A%9B%E5%AD%A6/14.03%3A_14.3%EF%BC%9A%E6%B5%81%E4%BD%93%E3%80%81%E5%AF%86%E5%BA%A6%E5%92%8C%E5%8E%8B%E5%8A%9B%EF%BC%88%E7%AC%AC_2_%E9%83%A8%E5%88%86%EF%BC%89

是否確定要離開？