Point Filters(点过滤器):该选项引出下一级选项,分别是.X、.Y、.Z、.XY、.XZ、.YZ。 它们在三维绘图中非常有用,即使在二维绘图中也会经常用到。
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pall point-of-entry filters 鲍尔点输入滤波器
You can use point filters to pick one coordinate value at a time while temporarily ignoring other coordinate values.
你可以使用点过滤器挑选一个坐标值,此时可暂时忽略其它坐标值。
Either way, you should make it a point of reviewing filters on all of your Gmail accounts to make sure the only filters in place are those that you created.
不管怎样,你都应该检查所有Gmail账户的邮件过滤,确保里面只有你设定的过滤。
Moreover, all symmetric and antisymmetric wavelets, which have same symmetric point as the scaling function and the length of their filters are no more than 8, are also given.
并进一步构造了与尺度函数对称点一致、系数长度不超过8的所有对称(反对称) 小波滤波器组。
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