step-by-step

adj.

按部就班的；按步；步进；

1. In response, some are scrambling to tighten standards and step up testing to reassure Western buyers.
   一些厂家开始匆忙的加紧标准，使西方购买者逐步的恢复对产品的信心。
2. Starting from Chinese phonetics, follow in order and advance step by step.
   课程从基础语音开始，循序渐进的讲授日常生活中的各种场景。
3. There is no gradual transition from the customary by which the question could slowly become more familiar.
   不可能有一条循序渐进的通道从我们习惯的情况出发来逐步熟悉我们的问题。

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Lewins A & Silver C (2007). Using Software in Qualitative Research: A Step-by-Step Guide. London: Sage Publications
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