In this paper an analytic proof of a generalization of a theorem of Bismut
([Bis1, Theorem 5.1]) is given, which says that, when $v$ is a transversal
holomorphic vector field on a compact complex manifold $X$ with a zero point
set $Y$, the embedding $j:Y\to X$ induces a natural isomorphism between the
holomorphic equivariant cohomology of $X$ via $v$ with coefficients in $\xi$
and the Dolbeault cohomology of $Y$ with coefficients in $\xi|_Y$, where
$\xi\to X$ is a holomorphic vector bundle over $X$.