The complex shape eccentric blocks are often needed in vibrating roller design for structure requirement.

在振动压路机的设计中，从结构方面考虑，经常出现具有复杂形状的偏心块结构。

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It must not only be satisfied with structure requirement, but also the strength, stiffness and vibration steadiness.

在设计发电机的转轴时，不仅需要满足结构要求，还需保证其具有足够的强度、刚度和振动稳定性。

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This paper expounds requirements of special industry electric equipment in explosive areas, and presents protection grade and structure requirement of electric equipment.

论述了特殊工业电气设备在爆炸性场所使用的要求，并介绍了电气设备的防护等级和结构要求。

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Now, RDBMS and SQL somewhat goes directly against the principles that forced Hadoop to be created in the first place, which is requirement to have a predefined structure (known as a schema) of the data being stored.

FORBES: Combating the Big Data skills shortage

Even when the program office finally acknowledged in 2011 that home visits were unworkable, the requirement of the geographic sampling structure was not modified so that when investigators started recruiting in clinics, they were forced to restrict recruitment to women living in the randomly selected neighborhoods.

FORBES: What Caused A Billion Dollar Federal Study Of Child Health To Implode?

We have a contractual structure which we published in January last year, which sets out the requirement for the maintenance of a contestable framework and for us to have intervention rights in the event of supplier failure.

BBC