名词

1. (事物成长和发展的)环境，背景
A matrix is the environment or context in which something such as a society develops and grows.

2. （数学中）矩阵
In mathematics, a matrix is an arrangement of numbers, symbols, or letters in rows and columns which is used in solving mathematical problems.

1. mold used in the production of phonograph records, type, or other relief surface

2. the formative tissue at the base of a nail

3. the body substance in which tissue cells are embedded

Synonym: intercellular substanceground substance

4. (mathematics) a rectangular array of quantities or expressions set out by rows and columns
treated as a single element and manipulated according to rules

5. an enclosure within which something originates or develops (from the Latin for womb)

6. (geology) amass of fine-grained rock in which fossils, crystals, or gems are embedded