pilot sample meaning in English

试点样本
试选样品

Note : if any unauthorized changes have occurred in the type of tooling , manufacture processes , material or design of the part since any of the prototype or pilot sample submissions , the suppliermust check the appropriate box on the pa form and provide explanations of any differences on anattached sheet
注：样件提交后如果在零件刀具类型、生产工艺、材料或设计方面有任何未经授权的变更，供货商必须在先期评价表上的适当方框内打对勾并附纸对变更进行详细说明。