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引用测试!!!!

  • 列表测试1
  • 列表测试2
  • 列表测试3

short code test

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/*语法高亮测试*/
function test() {
console.log("notice the blank line before this function?");
}

$$
\mathbf{V}_1 \times \mathbf{V}_2 = \begin{vmatrix}
\mathbf{i} & \mathbf{j} & \mathbf{k} \
\frac{\partial X}{\partial u} & \frac{\partial Y}{\partial u} & 0 \
\frac{\partial X}{\partial v} & \frac{\partial Y}{\partial v} & 0 \
\end{vmatrix}
$$

emphasis test

literal test

$\lim_{x \to \infty} \exp(-x) = 0$