Update model.html

wiki/pages/model.html

@@ -29,6 +29,13 @@
       margin-right: 100px;
       margin-left: 130px;
     }
+
+    .code-snippet {
+      display: none;
+      background-color: #f4f4f4;
+      padding: 10px;
+      margin-top: 10px;
+    }
   </style>
 </head>
 
@@ -55,6 +62,8 @@
     <div class="progress-text">0%</div>
   </div>
 
+  <button onclick="toggleCodeSnippet()">Expand the code</button>
+
   <div class="row mt-4">
     <div class="col-lg-12">
       <h2 id="description">General Description of Modeling</h2>
@@ -297,6 +306,20 @@
           muskone in the intestine can be obtained in combination with experimental determination. Because
           there is no animal experimental support, the data are manually drafted, and the calculation method
           is more meaningful than the calculation results.</p>
+        <div id="codeSnippet" class="code-snippet">
+          ```metlab
+          % 定义参数
+          Q_inhale = 100; % mg
+          k_exhale = 10;
+          k_perm = 0.005;
+          k_adh = 0.001;
+          k_diffMC = 0.01;
+          k_diffLC = 0.05;
+          k_dist = 0.001;
+          k_excrete = 0.05;
+          k_move = 0.02;
+          ```
+        </div>
     </div>
   </div>