Evaluation reguires a scientific index system, whose content and weight structure decides the quality and whose method determine the effect.

指标体系的内容及权数结构决定了评价的质量。 评价方法决定了评价的效果。

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Adding storey on masonry structure is quite popular at present. As an innovative technique, the light-weight structure has been paid more attention.

砖混结构加层十分普遍，轻钢结构加层作为一种新型的加层技术倍受关注。

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Because new lower bounds are not relative to the weight structure of the codes, it is easy to estimate undetected error probability of various linear block codes.

由于新的限与码的重量结构无关，因此可以方便地估计任何线性分组码的不可检错误概率。

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Together,these two shapes create a very strong, light-weight rounded structure.

VOA: special.2010.05.30

The county council said some lorries had been ignoring the 7.5 tonne weight limit, causing the structure to weaken.

BBC: Bigsweir Bridge

Researchers say every child in the study either gained weight or showed improvements in bone structure or arterial stiffness.

CNN: Advances in kids' early aging disease

Samoa Air says its program is the world's first fare structure that charges only by weight.

CNN: Pay-as-you-weigh airfares the 'next step'