平衡点	特征值			平衡条件
平衡点	$λ_{1}$	$λ_{2}$	$λ_{3}$	平衡条件
$(0, 0, 0)$	$- C_{1} + F_{2} + β I + F_{3}$	$- C_{2} + F_{2} + (1 - β) I + F_{1}$	$- C_{3} + R_{1} + θ k - R_{2}$	$λ_{1} < 0$ $λ_{2} < 0$ $λ_{3} < 0$
$(1, 0, 0)$	$- (- C_{1} + F_{2} + β I + F_{3})$	$- C_{2} + F_{2} + β I + F_{1}$	$S_{1} + F_{2} - C_{3} + R_{1} + θ k - R_{2}$
$(0, 1, 0)$	$- C_{1} + (1 - β) I + F_{3}$	$+ C_{2} - F_{2} - (1 - β) I - F_{1}$	$S_{2} + F_{2} - C_{3} + R_{1} + θ k - R_{2}$
$(0, 0, 1)$	$- S_{1} - C_{1} + F_{3}$	$- S_{2} - C_{2} + F_{1}$	$C_{3} - R_{1} - θ k + R_{2}$
$(1, 1, 0)$	$- (1 - β) I + C_{1} - F_{3}$	$- β I + C_{2} - F_{1} - F_{2}$	$S_{1} + S_{2} + F_{2} - C_{3} + R_{1} + θ k - R_{2}$
$(1, 0, 1)$	$S_{1} + C_{1} - F_{3}$	$S_{2} + C_{2} - F_{1}$	$- S_{2} - F_{2} + C_{3} - R_{1} - θ k + R_{2}$
$(0, 1, 1)$	$- S_{1} - C_{1} + F_{3}$	$S_{2} + C_{2} - F_{1}$	$- S_{1} - F_{2} + C_{3} - R_{1} - θ k + R_{2}$
$(1, 1, 1)$	$S_{1} + C_{1} - F_{3}$	$S_{2} + C_{2} - F_{1}$	$- (S_{1} + S_{2} + F_{2} - C_{3} + R_{1} + θ k - R_{2})$