Abstract: In high-speed railways, the pantograph serves as the sole apparatus for collecting electric energy, directly impacting the operational safety of high-speed trains through its structural ...

If you have pattern matching needs that go beyond this, consider writing a user-defined function in Perl or Tcl. While most regular-expression searches can be executed very quickly, regular ...

[Uri Tuchman] has used the pantograph on his milling machine to duplicate the effect in harder materials. [Tuchman] starts with a quick proof-of-concept using an actual plastic Spirograph toy to ...

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