将首先检查订单的有效性，然后评估客户的信用等级（假设这是一个服务订单，并且延迟一个月支付）。
The feasibility of the order is first checked and then the customer's credit rating is assessed (we are assuming this is an order for a service which is paid monthly in arrears).
数据挖掘技术在银行领域的应用有四个方面：银行客户关系管理、银行风险管理、银行信用等级评估、银行服务分析和预测。
The application of DM technique to banking consists of four components: customer relationship management, risk management, credit grade evaluation, and service analysis and forecasting.
电信客户信用风险等级评估是对电信客户的信用风险进行等级分类。
Evaluating telecom clients' credit risk rate is classifying their credit risk level.
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