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There are lots of examples unused single letters and pairs of letters- two most commonly used by chemists when they wan't to discuss generic properties, are X (often used to represent the halogens), M (used for metals)
Pauline Sperry has written: 'Properties of a certain projectively defined two-parameter family of curves on a general surface ..' -- subject(s): Curves on surfaces 'Short course in spherical trigonometry' -- subject(s): Spherical trigonometry
Thoracic and sacral curves are present at birth also known as primary curves
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Thoracic and sacral curves are present at birth also known as primary curves
There are two key properties of semiconductor memory. It can either be stable or semistable as it is used to represent both binary 0 and binary 1. It can be written into and read in order to sense the state of the code.
Humans have two vertebral curves, the primary curve and the secondary curve. The function of vertebral curves is to allow the body to cope with an even amount of weight to be distributed.
What are two properties of glycerides?
Two curves which intersect at right angles, ( the angle between the two tangents to the curve) curves at the point of intersection are called orthogonal trajectories. The product of the slopes of the two tangents is -1.
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You need two things before you can discuss difference between them!You need two things before you can discuss difference between them!You need two things before you can discuss difference between them!You need two things before you can discuss difference between them!