Staring from developing the bar code certificate with students' messages, the design conditions of the code order, the code length and the proofreader's mark etc.
从开发带有学生信息的条码证件这个应用角度出发，介绍了在研制开发学生证件过程中条码的码制、代码长度和校验符等设计条件的要求；
The quantity and the length of embedded splice bar shall meet the design requirements and the related construction code. And the spacing tolerance of splice bar is not bigger than a piece of brick.
预埋拉结筋的数量、长度均应符合设计要求和施工规范的规定，留置间距偏差不超过一皮砖。
The quantity and the length of embedded splice bar shall meet the design requirements and the related construction code. And the spacing tolerance of splice bar is not bigger than a piece of brick.
预埋拉结筋的数量、长度均应符合设计要求和施工规范的规定，留置间距偏差不超过一皮砖。
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