By practice, polypropylene concrete has good effect in preventing non-structure crack.

实践证明，聚丙烯纤维对防止混凝土早期非结构性裂缝具有较好的效果。

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In fact, for the existence of non-structure members such as partitions, the increase of mass and stiffness, can both cause more intensive earthquake response.

事实上，由于隔墙等非结构构件的存在，结构的质量增加、刚度加大均将导致地震反应加剧，如在计算中不考虑此项的影响将偏不安全。

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When the grain size distributions are not the same, not only the undisturbed samples with structure but also the reconstituted samples with non-structure are not similar in strength.

当颗粒级配不同时，结构性原状粉砂土样和不具有结构性的配制土的强度均不同。

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It is quite similar to social entrepreneurship, although that term tends to involve a non-profit structure with a direct focus on a cause or the environment.

FORBES: 3 Key Elements of Capitalist Philanthropy

At the same time there would be an increase in non-traditional models of family structure and increased reliance on members of the wider family for childcare.

BBC: 'End of nuclear family' forecast

The Pattern, which was introduced in 1971, forms the backbone of the European racing calendar for non-handicap races and gives the season a structure.

BBC: The big races