求翻译：限定北京、上海、广州、杭州和个别地区的用户可以申请试用的产品，此类试用品仍需填写申请理由来申请商品，并且保留商家审核权，但申请人数比较少，一般在1000人左右，最多不超过3万是什么意思？

Limited to Beijing, Shanghai, Guangzhou, Hangzhou and individual users can apply for the trial products, such tryout still need to fill out the grounds for the application to apply for goods, and reserves the right to business audit, but the number of applicants is relatively small, generally about

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Defined Beijing, Shanghai, Guangzhou, Hangzhou and the individual local user may apply for the test the product, this kind of trial products still had to fill in the application reason to apply for the commodity, and retained the business reviewing authority, but the application population quite wer

Qualified in Beijing, Shanghai, Guangzhou, Hangzhou, and individual users can apply for a trial product, try this class supplies still needed to fill in the grounds of the application to apply for a commodity, and businesses retained jurisdiction, but fewer than the number of applicants, generally a