Scale box in millimeters. Vesicular texture is a volcanic rock texture characterized by a rock being pitted with many cavities (known as vesicles) at its surface and inside.
The definition of bliss is complete happiness. 1  An example of bliss is what someone feels after a relaxing massage.  An example of bliss is the act of doing work you love.
Precision is necessary for achieving good accuracy, but it is not sufficient. Good accuracy requires both precision and trueness. Trueness. Trueness is labeled on the vertical axis of Figure 1, and like precision is a concept. The measure of trueness is systematic error. The idea is that a measurement is true when it is aimed squarely at the center of the target.