A specification is a requirement which is clearly stated, for example about the necessary features in the design of something.
双语例句
例： I'd like to buy some land and have a house built to my specification.
我想买块地并按照我的要求建一座房子。
例： Legislation will require UK petrol companies to meet an EU specification for petrol.
法规将要求英国的石油公司达到一项欧盟的石油指标。
例： officials constrained by rigid job specifications.
受到严格的岗位要求限制的官员们。