.复数\(z\)\({\,\!}_{1}\),\(z\)\({\,\!}_{2}\)满足\(z\)\({\,\!}_{1}\)\(=m+\)\((4\)\(-m\)\({\,\!}^{2})i\),\(z\)\({\,\!}_{2}\)\(=\)\(2\cos \)\(θ\)\(+\)\((\)\(λ\)\(+\)\(3\sin \)\(θ\)\()i(\)\(m\),\(λ\),\(θ\)\(∈R)\),并且\(z\)\({\,\!}_{1}\)\(=z\)\({\,\!}_{2}\),则\(λ\)的取值范围是 .