高斯脉冲的微分。先将高斯脉冲及其前15阶导函数的幅度归一化，然后将它们同时画出。-Differential Gaussian pulse. Gaussian pulse and its first order derivative function of the first 15 normalized magnitude, and then draw them at the same time.
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002224s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.003251s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.003003s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 211944 [ RunTime:0.001461s ]
