结课了

2026-06-03 16:53:38 +08:00
parent dbbfc2867d
commit 2370c456f4
22 changed files with 50356 additions and 3241 deletions
@@ -0,0 +1,56 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="900" height="420" viewBox="0 0 900 420">
+  <rect width="100%" height="100%" fill="white"/>
+  <style>
+    .wire { stroke:#111; stroke-width:4; fill:none; stroke-linecap:round; stroke-linejoin:round; }
+    .thin { stroke:#111; stroke-width:3; fill:none; stroke-linecap:round; stroke-linejoin:round; }
+    .term { stroke:#111; stroke-width:4; fill:white; }
+    .label { font-family: "Times New Roman", "Noto Serif", serif; font-size:38px; fill:#111; font-style:italic; }
+    .pm { font-family: "Times New Roman", "Noto Serif", serif; font-size:38px; fill:#111; }
+    .caption { font-family: "Noto Serif CJK SC", "SimSun", serif; font-size:28px; fill:#111; }
+  </style>
+
+  <!-- left terminals -->
+  <circle class="term" cx="100" cy="110" r="12"/>
+  <circle class="term" cx="100" cy="310" r="12"/>
+
+  <!-- polarity and input voltage label -->
+  <text class="pm" x="42" y="124">+</text>
+  <text class="pm" x="46" y="324">−</text>
+  <text class="label" x="54" y="222">u<tspan baseline-shift="sub" font-size="24">i</tspan></text>
+
+  <!-- top wire to inductor -->
+  <path class="wire" d="M112 110 L240 110"/>
+
+  <!-- inductor -->
+  <path class="wire" d="
+    M240 110
+    C250 78, 290 78, 300 110
+    C310 78, 350 78, 360 110
+    C370 78, 410 78, 420 110
+    C430 78, 470 78, 480 110
+    C490 78, 530 78, 540 110
+  "/>
+  <text class="label" x="365" y="62">L</text>
+
+  <!-- wire between inductor and capacitor -->
+  <path class="wire" d="M540 110 L610 110"/>
+
+  <!-- capacitor -->
+  <path class="wire" d="M610 70 L610 150"/>
+  <path class="wire" d="M650 70 L650 150"/>
+  <path class="wire" d="M650 110 L760 110"/>
+  <text class="label" x="623" y="62">C</text>
+
+  <!-- right vertical to resistor -->
+  <path class="wire" d="M760 110 L760 165"/>
+
+  <!-- resistor -->
+  <rect x="725" y="165" width="70" height="100" fill="white" stroke="#111" stroke-width="4"/>
+  <text class="label" x="812" y="225">R</text>
+
+  <!-- bottom return wire -->
+  <path class="wire" d="M760 265 L760 310 L112 310"/>
+
+  <!-- subtle title/caption -->
+  <text class="caption" x="330" y="385">RLC 串联谐振电路</text>
+</svg>