0 a quarter of a circle or a quarter of the circumference of a circle -- một phần tư
1 an instrument which was formerly used in astronomy and navigation for measuring the altitudes of stars -- thước đo độ
Each plot was divided into four quadrants, and a predetermined sub-plot of 3 m2 was harvested from each.
Points in the remaining two quadrants (northeast and southwest) may or may not be desirable, depending on decision makers1 values and objectives.
In the upper two quadrants the dotted lines represent the 'splitting' strategy, the dashed lines the 'enrichment' strategy and the solid lines the 'learning-by-doing' strategy.
The order of the quadrants was arbitrarily set from left to right as northwest, northeast, southwest and southeast.
The four quadrants were fit simultaneously giving 20 data points for three free parameters.
The dendritic-field size asymmetry between nasal and other quadrants was present in both species, but was more pronounced in the capuchin monkey retina.
Because the size of these quadrants varied slightly between specimens, counts were made along regions of variable length and standard width.
The observer's task was to indicate in which of four quadrants the stimulus was detected by pressing one of four correspondingly arranged buttons.
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圓周的一部分, 四分之一圓周, 四分之一區域…
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čtvrtkruh, kvadrant…
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