accidental sampling meaning in English

随意抽样

Via accidental sampling , i made an investigation to the status quo of the employee turnover of chinese enterprises . the sampling consists of 1 , 432 resumes including 1 , 001 online resumes from 100 , 000 and 431 from 800 personnel files of the company i am serving now . the objects cover people from all provinces and at the age of 16 - 65
取样包括对10万份网上简历进行筛选(依百分之一的比例) ，获得1001份样本，还包括从自己所在企业的人才库( 800份简历)中获取的431份样本，共1432份(取样覆盖全国各省、市，年龄分布16至65岁间) 。