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In a large pit there are many steps just like terraced field, what are these steps for?

在一个大坑的边缘，有许多像梯田那样的阶梯。它们是作什么用的？

For solving transportation problems the quick algorithm is not only simpler and fewer computing steps than the simplex algorithm but also more easer and fewer computing steps than the generaliged Hungarian algorithm.

快捷法求解运输问题不仅比表上作业法计算步骤少、简单，而且比广义匈牙利法的计算步骤还少、还简单。

Daily 55% Material Hema-copolymer Water Content 55% Diameter 14.2 mm Base Curve 8.5 mm in 2.50D Power Range -0.50 ~-6.00D in 0.25D steps -6.50 ~-12.00D in 0.50D steps Center Thickness Plano~ 2.50D: 0.130 mm -2.75D~-12.00: 0.110 mm Handling Tint Light Blue Wear Modality Daily Package Blister Features High water retention allows longer moistures.

日抛型（55%的含水量）材料 HEMA共聚物含水量 55%直径 14.2mm 基弧 8.5mm（2.50D）度数范围-0.50 ~-6.00D （步长0.25D）-6.50 ~-12.00D （步长0.50D）中心厚度平光~ 2.50D： 0.130mm -2.75D~-12.00： 0.110mm 处理色彩浅蓝佩戴型日抛型包装吸塑包装特性高锁水能力，长久保湿。

If there is 1000 steps between us, u only need to bestraddle the firststep, I will walking towards u the rest 999 steps

如果我们之间有1000步的距离，你只要跨出第1步，我就会朝你的方向走其余的999步。

The main steps include as follows: CO2 is led into the mother liquor of sodium meta-aluminate to carry out carbon content decomposing; the primary separation between the aluminum and the gallium is realized by primary carbonatation to filter out sodium hydroxide; secondary carbonatation is carried out on the filtrate to obtain the deposit of the complex salt of gallium and aluminum; a sodium carbonate crystal is obtained after the filtered filtrate is condensed and vaporized; the deposit of the complex salt of gallium and aluminum is dissolved in the mother liquor of sodium meta-aluminate; the processes are repeated until the proportion of gallium and aluminum in the complex salt of gallium and aluminum is larger than 1/340; then the complex salt of gallium and aluminum is added into the NaOH liquor and electrolyzed, thus obtaining the metal gallium with a purity larger than 99.9 percent which reaches the level of 3; simultaneously, the byproducts of the aluminum hydroxide and the sodium carbonate during the process of carbonatation by steps are obtained.

主要步骤包括：向铝酸钠母液中通入CO 2 进行碳分分解，一次碳酸化实现铝镓的初次分离；过滤出氢氧化钠，滤液进行二次碳酸化获得镓铝复盐沉淀，过滤后滤液经浓缩蒸发获得碳酸钠晶体，铝镓复盐沉淀溶解在偏铝酸钠母液中，重复上述过程直至铝镓复盐中的镓铝比例大于1/340，将其加入到NaOH溶液中，电解可获得纯度＞99.9％的金属镓，达到3N级水平同时在分步碳酸化的过程中获得氢氧化铝和碳酸钠副产品。

Steps for professional facial contouring steps: First, the coix extract in the lotion reduces the facial swelling.

强效瘦面5部曲：先以配方中之薏仁萃取物去除脸部水肿状况。

Two synthetic routes of Caffeine have been determined and investigated after the analyzing and trying for the literal synthetic methods. In one route, the target compound was prepared from chloroacetyl chloride through six steps, the total yield is 50.5 %. In another route, the target compound was obtained from cyanoacetic acid through six steps, the total yield is 45%.

对目前咖啡因工业生产工艺进行了研究，并分析了咖啡因工业生产中所存在的问题，本文提出两条可行的工业化合成路线：一条是以氯乙酰氯为起始原料，经过六步反应制得目标化合物，总收率50.5％；另一条是以氰基乙酸为起始原料经过六步反应制得目标化合物，总收率45％。

The first asymmetric synthesis of trans-β-hydroxy-γ-butyrolactones:-(3R, 4R, 5S)-4-(1-acetoxy-isopropyl)-3-hydroxy-butyrolactone 65a was achieved starting from isobutylaldehyde through nine steps. The key steps involve the construction of three chiral carbon centers by the Sharpless's asymmetric epoxidation and Substrate directable chemical reaction.

以异丁醛为起始原料，经过九步反应首次设计合成了具有三个手性中心的trans-β-羟基-γ-丁内酯：-（3R，4〓，5S）-4-（1-乙酰氧基-异丙基）-3-羟基-丁内酯65a，关键步骤是Sharpless不对称环氧化和底物定向不对称合成反应。

Firstly, it introduced the import principium resolving thread and steps of analytic hierarchy process. Secondly, it erected model of population modernization, which based on the steps of analytic hierarchy process. Lastly, it got the maximal eigenvalue of dissymmetric matrix and corresponding eigenvector with SAS, and normalized the eigenvector to get weight value.

本章分为两部分，第一部介绍分析法的提出、原理以及解决问题的思路和步骤；第二部建立模型确定权重，根据层次分析法的原理和步骤，建立人口现代化指标体系的模型，运用SAS求解所构造的非对称判断矩阵的最大特征值，从而得出所对应的特征向量，变形后得到权重。

Then use a hypaethral quarry to do the ecological and environmental impact assessment and forecast. And tick off some material prevention and cure steps in opencast working, include engineering and ecological steps.

再结合某露天采石场进行生态环境影响评价与预测，并列出露天开采所应采取的具体的防治措施，包括工程措施和生物措施。

It's bell can reach over a meter in diameter.

它的身体最大可以达到直径1米多。

Now they are overdue and I shall have to pay a fine.

现在他们过期了，我不得不付罚款。