1、

The tracking error of ETFs are mainly affected by three factors: the purchase and redemption of ETF, dividends, fund management fee and custodian fee and some other fees.

ETF的跟踪误差主要受到三个因素的影响:申赎量的变化、基金分红以及管理费、托管费和其它费用。

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2、

This thesis deeply researches on the task-computer control smart high-speed pneumatic cushioning system. which mainly includes the design of mechanical structure/ electronical circuit/ pneumatic loop and the researches of system modeling/ simulation/ control strategy.

本文对计算机控制智能高速气动缓冲系统进行了机械、电气、气路系统的设计以及系统建模方法、系统辨识研究和控制策略研究。

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3、

The density is found to be mainly affected by the EPS volumetric ratio while the effects of the curing period, the cement content and the type of lightweight material were negligible.

通过密度试验,明确了影响EPS颗粒混合轻质土密度的因素:密度主要受到EPS颗粒体积比的影响;龄期、水泥添加量、轻质填料种类对密度影响不大。

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4、

The afferent neurons from cuneate nucleus, gracile nucleus, nucleus of spinal tract of trigeminal nerve, nucleus of solitary tract mainly located below the level of obex.

来自后索核、三叉神经脊束核和孤束核的起源细胞主要位于闩以下平面。

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5、

Ordinates of the inflection points of the cumulative distribution curve of stand basal areas mainly ranged between 0.4& 0.6;

林分断面积累积分布曲线的拐点纵坐标主要存在于0.4~0.6之间,且多数在0.5以上;

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6、

This is mainly manifested in the advanced concept of culture to promote technological development, and the concept of cultural lag in the way of technological development.

这主要表现在先进的观念文化促进科技发展,而滞后的观念文化阻碍科技发展。

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7、

Cucumber is globally widely cultivated vegetable crop. In China, it is mainly cultivated in the plastic tunnel, providing a year-round vegetable supply.

黄瓜是全球普遍栽培的主要蔬菜作物,其栽培面积在我国保护地蔬菜中居首位,对保证我国蔬菜周年均衡供应方面具有十分重要的作用。

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8、

The XRD results indicate that the esterification of starch mainly occurs in the amorphous region and less in the crystalline region.

XRD分析表明,酯化反应主要发生在淀粉分子非晶区,在结晶区也有一定程度的反应;

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9、

The results showed that gas permeation mainly occurs in amorphous region of the PMP, but also in the crystalline region.

结果表明,气体的透过主要发生在PMP的无定形区域,但也在PMP的晶区进行。

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10、

This will mainly be due to continued growth in the country's soybean crushing capacity, said China National Grain& Oils Information Center.

这主要是因为中国的压榨能力不断增长,中国国家粮油信息中心说。

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11、

The paper mainly introduced the application technology of the pumping high strength concrete ( C60) which takes crushed gravel as coarse aggregate with big fluidity.

本文着重介绍采用以破碎卵石为粗骨料配制大流动性泵送C60混凝土技术应用。

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12、

Traditional winglets are designed mainly for the cruising stage, while the effects of winglets in the climbing/ landing stage are not as significant.

传统翼梢小翼主要针对巡航状态设计,无法在起降、爬升阶段提供最佳减阻效果。

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13、

Some companies which seep metal element with TD salt-bath mainly use outside-heat crucible salt bath furnace.

在国内一些应用TD盐浴渗金属的单位目前主要用外热式坩埚盐浴炉。

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14、
15、

It mainly studies on the power dissipative Crowbar circuit on the dc side. The validity and correctness of the control is confirmed through the Matlab/ Simulink simulation.

重点研究了直流侧耗能Crowbar电路的低电压穿越策略,并对其仿真研究,结果验证了其有效性和正确性。

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16、

Superplasticizer mainly absorbs on the cement hydrates covering the surface of cement particles instead of on the surface of unhydrated particles.

超塑化剂主要是大量吸附在水泥颗粒表面的水化产物上而不是吸附在未水化水泥颗粒表面。

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17、

Prior to the early1980s, the bond market was comprised mainly of'plain vanilla'bonds with simple cashflow structures, where coupon payments and maturity were fixed at the outset.

在80年代以前,债券一般上都相当简单,即包括不太复杂的现金流动结构,票面利率和到期日在发行时已定下。

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18、

The results show that intramolecular coordination ability bears a parallel relationship with stabilization energy, bond parameter and charge transfer. For these coordination compounds intramolecular interaction is mainly a σ-bonding and the coordination force is essentially covalent interaction.

结果表明,分予闻配位强弱与稳定化能、键参量、电荷转移成平行关系,分子间作用键主要是σ配键,揭示了配位力的本质是授受电子的共价作用。

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19、

Under the condition of propagating along strong wind, large number of waves cannot reach the observation height, due mainly to critical coupling.

在强顺风场作用下,由于风场引起的捕获,大量重力波不能传播到观测高度。

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20、

This paper mainly studies the correlation between extraversion/ introversion and overt/ covert behavior.

本文主要对内/外向性格与语言输出中内隐/外显行为的相关性进行研究。

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