1. It'should be clear that vector addition is commutative.

2. The decision circuit of the chip is applied with a DFF using SCFL structure and its tuned phase shifter with differential current amplifiers according to the principle of vector addition.

3. Under the condition of plane wave incidence and two-dimensional particle vibration, AAEF describes both phase interference and vector addition of a sound field by only using its phase.

4. The operation of finding the sum of two vectors is called vector addition .

5. Depending on the conception of classification, the discernible vector was defined and the discernible vector addition rule was used to delete redundant attributes.