单词	Dirichlet's test
释义	Dirichlet's test A test for convergence (see converge (series)) of a series. If {an} is a series which has bounded partial sums, and {bn} is decreasing and converges to zero, then converges.
随便看	Roman numeral root root root mean squared deviation root of unity root test rose rotation rotational kinetic energy rotational symmetry rotation of axes Roth's Theorem rough surface round round angle rounding round-off error route inspection problem row row equivalence row operation row rank row space row vector Royal Institution

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