能力分析将要利用这个分层来检查供应和需求层次之间的缺口。
The capacity analysis will take advantage of this layering to examine the gap between supply and the layers of demand.
方法：应用分层整群抽样方法，在城市、农村小学中各抽取一所小学，进行视力检查及相关因素调查。
Method: Using stratified cluster sampling, sampling an elementary school respectively in the city and countryside, carries on the check by sight and the correlation factor investigation.
但到目前为止，地质数据的抽样检查基本上采用百分比抽样方案及简单随机和分层抽样方法。
However, percent sampling has been mainly used for sampling inspection of geological data till now.
存档文件无8。附件附件1：分层审核检查单附件2：供应商分层审核检查单9。最新更改汇总无。
Non 7. Stored documents None 8. Attachment Attachmen1: Layered Audit Checklist Attachmen2: Supplier Layered Audit Checklist 9. Latest Change Summary None.
存档文件无8。附件附件1：分层审核检查单附件2：供应商分层审核检查单9。最新更改汇总无。
Non 7. Stored documents None 8. Attachment Attachmen1: Layered Audit Checklist Attachmen2: Supplier Layered Audit Checklist 9. Latest Change Summary None.
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