Techniques for generating, distributing, and using speech recognition models are described. The disclosure also provides assays for identifying compounds useful to treat valley fever, as well as methods for ameliorating the symptoms of valley fever. The zoom lens system includes a first optical unit located between the object and the first intermediate real image. avermitilis in which the aveC gene has been inactivated, or mutated so as to change the ratio or amount of class 2:1 avermectins produced. The invention is also directed to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which metabotropic glutamate receptors are involved. The transmission method according to an embodiment of the present disclosure achieves an effect of guaranteeing user quality of experience with consumption of less system resources.