ETF的显著特征包括：内在的流动性、节税、资产净值无持续的溢价或折价，这些特征将稍后讨论。
Distinguishable features of ETFs include their underlying liquidity, tax efficiency, and lack of persistent premiums or discounts to their net asset values (NAV), which are discussed next.
研究了泡沫金属的机械阻尼性能，表明泡沫金属是一种具有高能量吸收特性的轻质高阻尼材料，其阻尼特征表现为与应变振幅密切相关，而与应变频率无显著关系的非线性内耗。
The mechanical damping properties of metallic foams has been studied in the paper. It is found that metallic foams is a light high-damping material with great energy absorbing characteristics.
血清VEGF的表达与肝癌强化特征、包膜完整性均有较显著性差异（P<0.05），与肝癌的大小无显著性差异（P>0.05）；
The expression of the serum VEGF in HCC was significantly elevated as compared to the enhancement features and capsule(P<0.05), While no correlation with the size of HCC(P>0.05);
各品种上的白背飞虱的数学形态特征，除后翅面积无显著差异外，其它均有一定的差异。
There were obvious differences on math-morphological feature from images of the Whitebacked rice planthopper fed on the 4 rice varieties, besides the area of posterior wing.
人口学特征对社会适应性无显著影响，而人格特征的精神质、内外向、神经质等因子对社会适应的好坏有显著影响。
The traits of personality such as Psychoticism, Extroversion and Neuroticism were significant influencing factors, but not characters of demology.
单笔的套现交易与正常交易间无显著差异，难以进行基于特征的过滤筛选。
There is almost no difference between single illegal-cash - advance transaction and the normal one, so it could not distinguish them based on different characteristics.
单笔的套现交易与正常交易间无显著差异，难以进行基于特征的过滤筛选。
There is almost no difference between single illegal-cash - advance transaction and the normal one, so it could not distinguish them based on different characteristics.
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