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试一下LaTeX公式,输入一个比较变态的公式,看看能不能成功。
[ begin{aligned} Z_2left[ Jright] =&frac{1}{2}frac{g_{0}^{2}}{4!^{2}}left( frac{delta^{4}}{delta J^{4}}right) left(frac{delta^{4}}{delta J^{4}}right) e^{frac{1}{2}G_{0}J^{2}}\ =& frac{g_{0}^{2}}{4!^{2}}left[36G_{0x}G_{0}^{2}G_{0y}+12G_{0}^{4}+frac{9}{2}G_{0x}^{2}G_{0y}^{2}+48left( G_{0}Jright)_{x}G_{0}^{3}left(G_{0}Jright) _{y}right. \ & +72G_{0x}left( G_{0}Jright) _{x}G_{0}left( G_{0}Jright) _{x}G_{0y}+36G_{0}^{2}left( G_{0x}left( G_{0}Jright)_{y}^{2}+G_{0y}left(G_{0}Jright) _{x}^{2}right) \ & +9G_{0x}G_{0y}left( G_{0x}left( G_{0}Jright)_{y}^{2}+G_{0y}left(G_{0}Jright) _{x}^{2}right) +36left( G_{0}Jright)_{x}^{2}G_{0}^{2}left( G_{0}Jright) _{y}^{2}\ & +24G_{0}left( G_{0y}left( G_{0}Jright) _{x}^{3}left(G_{0}Jright) _{y}+G_{0x}left( G_{0}Jright) _{y}^{3}left(G_{0}Jright) _{x}right)\ & +frac{3}{2}left( G_{0x}^{2}left( G_{0}Jright) _{y}^{4}+G_{0y}^{2}left( G_{0}Jright) _{x}^{4}+18G_{0x}G_{0y}left( G_{0}Jright)_{x}^{2}left(G_{0}Jright) _{y}^{2}right) \ & +8left( G_{0}Jright)_{x}^{3}G_{0}left( G_{0}Jright) _{y}^{3}+3left( G_{0x}left( G_{0}Jright) _{y}^{4}left(G_{0}Jright)_{x}^{2}+G_{0y}left( G_{0}Jright) _{x}^{4}left( G_{0}Jright) _{y}^{2}right) \ & left. +frac12 left( G_{0}Jright) _{x}^{4}left( G_{0}Jright) _{y}^{4}right] e^{frac{1}{2}G_{0}J^{2}}end{aligned} ]
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