The phrase "composed both of" is correct and usable in written English.
It is typically used to describe something that is made up of multiple parts or elements. Example: The pie was composed both of apples and peaches, giving it a unique and delicious flavor.
A genuine popular war culture arose, composed both of comradeship and love and of passionate hatred of the enemy.
Only the sacred can fulfill man's deepest needs and hopes; thus, the reverence that man shows to the sacred is composed both of trust and terror.
"For me to have to know right now to participate in the Democratic Party primary how many troops are actively on duty in the United States military, when that is actually a number that is composed both of people on duty today and people who are National Guards people who are on duty today, is silly," he said.
The dataset is composed both of the raw data of the sensors and of the online estimated human odometry.
The thermo-responsive micelles formed from block copolymers that were composed both of a hydrophobic block and a thermo-responsive block.
The studied sandwich panel consists of glass fiber reinforced epoxy (GFRE) facesheets and a dual core composed both of alumina trihydrate-filled epoxy (ATH/epoxy) and extruded polystyrene foam (XPS).
The tumor microenvironment has been shown to be composed of both of tumor cells and mesenchymal cells, and that the microenvironment itself is involved in tumorigenesis [ 12].
In most cases, physicians of both schools of medical practice take their examinations before a medical licensing board composed of both doctors of medicine and doctors of osteopathy.
O. Cut Hands," has recently been seen around the capital in the uniform of the new national army, composed of veterans of both sides of the civil war.
An important example of such a composite surface is one composed of patches of both air and solid.
The lesion in this case was pathologically also composed of both proliferation patterns of solid spindle and diffuse sclerosing.
