1. 特殊化：skip row 跳行 | specialisation 特殊化 | square 正方形

2. 专长：10.currently:目前 | 11.specialisation:专长 | 12.racquet:球拍

3. 专业化：3-08 cost reduction 降低成本,成本削减;成本降低额; | 3-08 specialisation 专业化 | 3-08 core 核心

noun

1. the special line of work you have adopted as your career

e.g. his specialization is gastroenterology

Synonym: specializationspecialtyspecialityspecialism

2. the act of specializing
making something suitable for a special purpose

Synonym: specialization

3. (biology) the structural adaptation of some body part for a particular function

e.g. cell differentiation in the developing embryo

Synonym: specializationdifferentiation