Recovery of lime or alum must be justified both economically and technologically by careful studies based on local conditions.
石灰或明矾的回收必须兼顾经济和技术通过基于当地条件的仔细研究来论证其可行性。
The study of complex mineralization and metallogenic series of ore deposits have a great significance both economically and theoretically.
研究矿床的复合成矿作用和矿床组合具有重要的经济和理论意义。
Next, a company must determine what their facility or facilities are able to produce, both economically and efficiently, while keeping the quality high.
接下来，公司要面对的问题是，在现有设备下，生产哪些产品，既能兼顾经济与效率，又对质量有交待。
America's ongoing involvement in the Middle East, both economically and militarily, creates a need for trained professionals who understand the culture of that region.
美国不断地参与中东的经济和军事，这样以来就需要一些懂得中东地区文化的专业人士。
In the developed financial markets, the term structure of repo rate follows pure expectation hypothesis, and risk premium is not significant both economically and statistically.
在发达的金融市场上，回购利率的期限结构服从纯预期假设，无论从经济意义上还是从统计意义上来说风险溢酬都不显著。
The method is particularly applicable to the preparation of poly(lactic acid), and offers significant benefits over the processes of the prior art, both economically and environmentally.
所述方法尤其 可用于制备聚（乳酸），并在经济和环境方面提供显著优于现有技术方 法的优点。
He also said that News Corporation, which owns The Times and The Sun newspapers in Britain, could survive both economically and audience-wise without the search giant driving traffic to its sites.
米勒也称，即便没有搜索巨头把网络流量引向自己的网站，在英国拥有《泰晤士报》和《太阳报》的新闻集团， 也能健康的活着，并在读者和观众中享有较高的知名度。
For not bothering to modify their mortgages, walking away from money-losing homes and proving that Americans can be both irresponsible and economically rational at the same time.
不去费心调整抵押贷款，而是面对赔钱的房子一走了之，证明美国人既能不负责任，也能同时保持经济上的理性。
Whether trading gossip, gold or grain, people came together to give and take in a manner that was both social and, with luck, economically beneficial.
无论是交换小道消息，黄金或是谷物，人们都需要走到一起，通过友好的或者盈利的方式——如果有可能的话，进行交易。
Both countries were prospering economically - and China did not then seem a plausible challenger to America's position as the world's only superpower.
两国经济正蓬勃发展，所以中国那会看上去不大像美国世界唯一超级大国地位的挑战者。
For not bothering to modify their mortgages, walking away from money-losing homes and proving that Americans can be both irresponsible and economically rational at the same time.
获奖原因：不去费心调整抵押贷款，而是面对赔钱的房子一走了之，证明美国人既能不负责任，也能同时保持经济上的理性。
Bombyx mori is both an economically important insect and a model organism for the study of molecular genetics.
家蚕是重要的经济昆虫，也是分子遗传学研究中重要的模式生物。
While everyone agrees that companies that respond with generous promises are acting both ethically and economically, few people usually find out whether these companies follow up on their promises.
几乎每个人都觉得这些作出慷慨承诺的公司的行为既是道德的，也是经济的，很少会有人去跟踪这些承诺是否兑现。
This paper analyzes and summarizes the rational approaches to increase electric current efficiency in salt and chemical industry both technologically and economically.
文章从技术和经济两方面，就盐化工业提高电流效率的合理途径，进行了分析和总结。
Therefore, satellite communication is considered as a preferential mode for remote village access, both technologically and economically.
因此卫星通信被认为是边远村通在技术经济上优先选用的通信方式之一。
There is great potential for meeting the challenges of the global market both efficiently and economically.
在面临全球市场效率和经济挑战的同时，蕴含着很大的发展潜力。
On top of that, businesses need to be run, efficiently, economically and safely because all these aspects relate to both their customers and their employees.
除此之外，一个企业还需要高效、经济、安全地运营，因为这些方面是与客户和雇员直接相关的。
The generation ultra pure hydrogen with metal hydride is proven to be feasible both technologically and economically in our years of industrial practice.
用金属氢化物来提取超纯氢，经过多年来实践证明在技术经济上都是可行的。
To simply and economically determine the stretch and recovery of textile fabrics, both knitted and woven.
织物伸长计，用途：可简单、经济地检测针织及机织物的拉伸及回复性能。
The key issue to apply CNG fuel involves the construction of CNG station and changing measures of CNG motor vehicle, and they are feasible both technically as and economically.
建立CNG加气站和CNG汽车改装这两个CNG应用关键问题在技术上、经济上都是可行的。
Automatic differentiation, by which the derivatives of the function can be evaluated both exactly and economically, is applied to the field of scientific and engineering computation extensively.
自动微分技术能以较低的成本精确计算中大规模问题函数的导数，在科学计算、工程计算及其应用领域中有着广泛的应用。
The fog systems can even be used to economically remove workplace related odors and are designed for both interior and exterior applications.
雾系统，甚至可以用来消除经济工作有关的气味，而且为内部和外部应用而设计。
He added, "I don't think we need a flying-wing bomber like B-2 because its development is a challenge for China, both technologically and economically."
此外，我不认为我们需要一种类似B - 2的飞翼式轰炸机，因为开发这种飞机对于中国来说在技术和经济上都是一个挑战。
The interchanging tunnel mining method is suggested on bases of careful feasibility study in both technologically and economically. A new method is developed for recovering the large amount of o…
并提出了进路间隔回采方案，从技术和经济两方面作了详尽的可行性分析，为我国大量残留矿资源的回收探索了一条新路。
The interchanging tunnel mining method is suggested on bases of careful feasibility study in both technologically and economically. A new method is developed for recovering the large amount of o…
并提出了进路间隔回采方案，从技术和经济两方面作了详尽的可行性分析，为我国大量残留矿资源的回收探索了一条新路。
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