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Nitrate is high in other foods, such as lettuce, but can be introduced in larger quantities because beetroot can be juiced, the researchers said.

硝酸盐是高其他食品，如生菜，但可以在大量引进，因为甜菜可果汁，研究人员表示。

But it is a selectivity application of technology, and requires that science and technology researchers in AS/RS apply new technology befittingly, which will help AS/RS realize full automatization.

但这是一种有选择性的技术应用，必须要研究自动化立体仓库的科技人员与时俱进地应用新技术，使自动化立体仓库逐步走向全自动化。

To counter the problems reflected from the teaching reform,such as the students' main body lacking,benthamism teaching value tropism,the evaluation method only by examination,the students' standard value,the researchers pay their attentions to analyzing the teaching value and the teaching existence,the function、the kind、the regulation、the realizing、the evaluation of the teaching value,and the teaching culture.

对于教学价值论的研究，人们一直处于"教学具有怎样的价值"、"教学应该有怎样的价值"等困惑之中，针对当前教学改革中存在的诸多问题，研究者们着重从分析教学价值的基本方面入手，在构建新型师生关系的基础上，完善教学价值理论内容，适应教学改革的发展要求，以期教学能够更加生动地反映生活。

This possible relationship has led some researchers to speculate that the earliest cheetahs may have originated in North America and traveled across the Bering Strait from Alaska to Siberia.

这种可能的关系引导了一些研究者推测，最早的猎豹很可能发源于北美洲，后迁移跨越白令海峡从阿拉斯加到达西伯利亚的。

Researchers are experimenting with field covers of such nitrogen-rich plants as Berseem clover, said Jim Brandle, a university professor in shelterbelt ecology.

农艺学和园艺学推广专家查克弗朗西斯说，许多大量使用化学农药的大规模农场都将耕田机搁置在一边。

Design and synthesis of chiral phosphorus ligands and the applications of them in catalytic asymmetric reactions has been a hot topic. Researchers betake themselves to develop novel chiral phosphorus ligands to solve problems that the existing ones cannot do.

中文摘要手性膦配体的设计与合成及其在不对称催化中的应用一直是研究的热点领域，研究人员一直致力于开发新型的手性膦配体来解决已有配体不能解决的问题。

Feeding boosts muscle protein synthesis in men but not in women, note the researchers, who included Bettina Mittendorfer, PhD, of Washington University in St.

当然也有例外，饮食可以更多的促进男性体内肌肉蛋白的合成。

There are two findings summarized from previous studies:(1) the least squares estimator is a common choice of researchers, but under an unequal probability design, the estimator is biased,(2) the probability weighted estimator is consistent but may have a large variance.

过去的研究发现：(1)在不等机率抽样时，一般常用的最小平方法所得到的回归参数估计式并非不偏估计式；(2)机率加权最小平方法可以改善不偏性，然却增加估计的变异程度。

Researchers who analyze this data set should be attentive to the issue of biased sample and think about the methods to correct the bias before drawing conclusions or making inferences.

综合样本流失与访问效应的检视，整体而言，TEDS固定样本的成功样本是偏差样本，在使用时必须加以注意或处理。

Our results suggest that adopting a bidimensional model of dependence more fully captures the theoretical domain of dependence, thereby permitting researchers to better examine its role in supply chain, channel, and marketing relationships.

我们的成果显示，采取二维模式的信赖可以更全面地刻画信赖的理论领域，从而允许研究者更好地研究信赖对供应链、渠道及市场关系的作用。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。