The length of each principal radius, added to that of each of the secondary, and the sum divided by the total number, gives a mean radius to each primary division of the circle.
Yet David Autor, an economist at MIT sees a new era of automation emerging, where the primary division of labor is not blue collar vs. white collar, but routine vs. nonroutine work.
County subdivisions are the primary divisions of counties and their statistical equivalents for the reporting of decennial census data.
The hindbrain is the posterior of the three primary divisions of the developing chordate brain, or the corresponding part of the adult brain (in vertebrates, includes the cerebellum, pons, and medulla oblongata and controls the autonomic functions and equilibrium).
The midbrain is the middle division of the three primary divisions of the developing chordate brain or the corresponding part of the adult brain (in vertebrates, includes a ventral part containing the cerebral peduncles and a dorsal tectum containing the corpora quadrigemina and that surrounds the aqueduct of Sylvius connecting the third and fourth ventricles).
It is contended that the order is void, because it confines itself to dealing with the main, or primary, divisions of the joint rates at the Hudson river, and fails to prescribe the subdivisions of that part of the rate which goes to the several carriers.
It is well known that languages make their primary divisions of the spectrum of colours in different places; Japanese aoi covers many of the hues referred to in English by green and blue, while blue covers much of the range of the two Russian words goluboy and siny.
However the method described by Lax "though very ingenious, requires great labour and time, and is inferior in accuracy and efficiency to that which was adopted by Mr. Troughton for tabulating the errors of the primary divisions of circular instruments".
The primary divisions of the rat MGB are the dorsal (MGd), medial (MGm) and ventral (MGv) [4], [5], [6].
