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A hummingbird picks up more than nectar at a flower in Costa Rica's Monteverde Cloud Forest Preserve.

一只蜂鸟精选花蜜多的花卉在哥斯达黎加的蒙特沃尔德云雾森林保护区。

Photo of the Day: In Bloom A hummingbird picks up more than nectar at a flower in Costa Rica's Monteverde Cloud Forest Preserve.

一只蜂鸟吸进比较多的花蜜，花卉在哥斯达黎加的蒙特沃尔德云雾森林保存。

Today's stock market is neither the clubby preserve of the rich nor a Monte Carlo for bet-a-million adventurers: it is a national institution into which one U.S.

今天的股市既不是富人保护伞，也不是赌徒的赌城，它是一个每八个美国成年人就有一个将其部分储蓄存在这里的国家机构。

Affine transformations are transformations that preserve collinearity and relative distancing in a transformed coordinate space.

仿射型变是在一个转变坐标空间内保持共线性和相对距离的型变。

This article aims to summarize Shanxis experience of using collotype facsimiles to preserve and display ancient wall paintings, as well as provide some food for thought for further practice and improvements.

与会的专家学者围绕山西古代壁画在全国的地位、壁画的学术价值、壁画展览的现实意义、文物保护与利用的关系，以及怎样宣传开发山西的文化资源和进行国际合作、交流，促进经济发展等问题进行了热烈的讨论。

This paper presents the local color transfer approach based on the simple statistics and gradient domain information of images. Our approach proposes a sketching interface, can preserve the color details of source image, and can extend to colorization problem for improving the speed of colorization.

提出一种基于图像的简单统计信息和梯度域信息的局部颜色迁移算法，其中提供了简单易用的操作界面，在迁移过程中能够保持源图像的颜色细节；将其推广到灰度图上色问题，可有效地提高上色速度。

In this algorithm, first, a crowed comparison operator is used to sort and select individuals according to the characteristics of multi-objective optimization. Then, a non-uniform mutation operator is applied to the observation populations to preserve the convergency of the solutions and to improve the precision of local search. Finally, a diversity-preserving operator is employed to delete the observation populations for the purpose of preserving the solution diversity.

首先，根据多目标优化特点，使用多目标密度比较算子对量子种群进行排序和筛选；然后，应用非均匀变异算子对观测种群进行变异以保持解的收敛性并提高局部搜索的能力；最后，使用多样性保持算子对观测种群进行删减以保持解的多样性。

To me, it underscores our responsibility to deal more kindly and compassionately with one another and to preserve and cherish that pale blue dot, the only home we've ever known.

对我来说，这幅图片强调这责任，要我们和善地相处，一起来珍惜这苍白的蓝点，我们唯一的家园。""

Being a Compleat Method of Physick, whereby a man may preserve his Body in Health; or cure himself, being sick, for three pence charge, with such things only as grow in England, they being most fit for English Bodies.

身为compleatphysick方法，可以让一个人保持他的身体健康；或者治好自己正在患病，3便士主管，这种事情只有在英格兰成长，他们心目中最适合的英文团体。

If, to use their own domestic production of import substitutes the same welding machine dedicated welding machine, robots with the use of complementary and preserve their function unchanged, it would not only greatly reduce the use of industrial robots cost, can also enhance robot peripherals in China.

如果，能使用国内自己生产的同等电焊机替代进口的专用电焊机，与机器人配套使用而保持其功能不变，将不仅大大降低使用工业机器人的成本，也可提高机器人外设的国产化。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。