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The pulse envelope we obtained is a hyperbolic secant function of time.
所得脉冲包络为时间的双曲正割函数。
youdao
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Secant blade lift, swing all by the handle adjustment, simple and efficient.
割线锯片升降，摆动全部由手柄调节，简便高效。
youdao
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Secant blade lift, swing all by the handle adjustment, simple and efficient.
割线锯片升降，摆动全部由手柄调节，简便高效。
youdao