Sentence examples for model exists several from inspiring English sources
While no perfect animal model exists, several good resources for optimising animal care and use within a sound experimental design are available.
Although differences between the HSL null models exist, several common features have been reported.
A rather precise idea of the structure of the network exists, several kinetic models of the network dynamics are available [(Bettenbrock et al., 2005; Kotte et al., 2010) and references therein], and recently a high-throughput dataset containing the required information for solving Problem 1 has been published (Ishii et al., 2007).
There exists several modified signal models for dealing with this (e.g., [24, 28 32]), but this is beyond the scope of this paper and we will defer from any further discussion of this.
There exist several simulation models of pandemic influenza that can be used at the provincial and local levels and were not treated as part of the evaluated models in this article.
For many complex systems, there may exist several models, each with different properties and predictive capabilities.
An alternative model exists already.
At present, there exist several ionosphere models including IRI-2001 and IRI-2007, which allow calculations of the electron density profile and the TEC.
There exist several animal models of ADPKD, each with its distinct advantages and disadvantages.
Another possibility is that the markings are caused by jets of liquid carbon dioxide, an explanation that some scientists favour because previous computer models suggested liquid water could only exist several kilometres below the crust.
