Sentence examples for biological background of system from inspiring English sources
For more biological background of system (1.2), one could refer to [3] and the references cited therein.
By the biological background of system (1.2) we only consider system (1.2) in the region (D=R^{2}_).
From the biological background of system (1.1), we assume that initial values (x_{1}(0)>0) and (x_{2}(0)>0) in system (1.1).
According to the biological background of system (1.4), we only consider the solution of the system (1.4) with the following initial conditions: x_{i}(0)>0; qquad u_{i}(0)>0, quad i=1,2.
From the biological background of system (7), we assume that any solution ((S t),I t), E t))) of system (7) satisfies the initial value S 0)>0, qquad I(0 geq0, qquad 0leq E(0)leq1.
From the biological background of system (6), it is assumed that any solution ((T s),T^(s), V s))) satisfies the following initial value: T 0)>0, qquad T^(0)>0, qquad V 0)>0.
For example, in many applications, it can be seen that physical or biological background of a modeling system shows that the change rate of the system's current status often depends not only on the current state but also on the history of the system.
By the biological background of model (2.2), we only consider model (2.2) in the biological meaning region (Omega={(S,I,R)| 0leq S+I+RleqLambda/d}).
Demanding specific evidence does not make sense under the biological background assumption of equivalence of biological process.
