Software subdivision and "virtual frequency conversion" technology were adopted in this solution, which realized multigrade, adaptive subdivided drive in operation of stepping motor.
Physiographic-lily, it could be divided into five fades zones: the reel front, growing reef, reef flat, beach and lagoon;and each zone could be further subdivided.
The adrenal cortex is the outer part of the adrenal gland and is subdivided into three layers- the zona glomerulosa, the zona fasciculata, and the zona reticularis.
The Peripheral Nervous System. The peripheral nervous system includes 12 cranial nerves and 31 pairs of spinal nerves. It can be subdivided into the somatic and autonomic nervous systems.
In the region of the mediastinum, the trachea divides into two branches called bronchi. Each bronchus leads to a separate lung and divides and subdivides into smaller and finer tubes, somewhat like the branches of a tree.