The step scan project can solve the speed and accurate problem effectively, and can be applied for most requirements.

分步扫描方案能够有效的解决标记速度和标记精度问题，能够适应大多数的打标要求。

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One such step is to scan for static errors, which are situations that will always be erroneous regardless of the transformation input.

其中一步是扫描静态错误，即不论什么样的转换输入必定是错误的情况。

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The next big step was getting a CT scan of Kaiba's lungs so that the splint could be fitted to his organs' exact dimensions.

CNN: 3-D printer helps save dying baby

Scan-as-you-go mobile devices are a logical next step after the self-checkout lanes that are now common in big food and drug chain stores.

WSJ: Mobile Checkout Devices Let People Scan and They Shop