It is imperative, therefore, that we economize with our limited resources and that we apply them where we feel that we will do the most good.
所以我们必须节约有限的资源，用在我们觉得能发挥最大效用的地方。
By advancing knowledge, we not only create new forms of resources, but we also find ways to economize their use.
通过提高知识，我们不仅创造了新的资源形式，而且还找到了节约使用资源的方法。
It follows that we should now further economize and improve service, as we did with garbage collection, by closing the library in Polluxton and using the library in Castorville to serve both villages.
这表明我们现在应该象我们在垃圾收集方面所作的一样进一步经济化和提高服务，通过关闭Polluxton的图书馆和使用Castor ville的图书馆来为两个村镇提供服务。
Though water is a renewable resource, we should still economize.
水虽然是可再生资源，但我们仍然需要节约使用。
The water crisis facing us today sounds the alarm for us that we must economize on every drop of water, for the water resources are not inexhaustible.
今天面临的水危机给我们敲响了警钟：我们必须节约每一滴水，因为水资源不是取之不尽，用之不竭的。
We can accelerate the progress, economize the cost and improve the quality of the survey, if we manage the comprehensive investigation methods in the survey of the railway.
在铁路工程地质勘察工作中，采用综合勘察方法，可以达到提高勘察质量，加快勘察进度，节约勘察成本的目标。
Compared with the preceding schemes, we skillfully introduce a new tool which we named for non-completion measurement, consequently our scheme can economize certain physical resources.
与以前的方案相比，我们在该方案中巧妙地引入了非完备测量，从而能够节约一定的物理资源。
We should economize on all kinds of energy.
我们应该节约各种能源。
Objective To discuss the detection method for e. coli O157: H7. We can economize cost, release the work, enhance the positive rate.
目的对大肠埃希菌o 157：H7的检测方法进行探讨，减轻日常工作量，节约成本，提高阳性检出率。
We should effectively protect, rationally exploit and economize on natural resources.
切实保护、合理开发和节约使用各种自然资源。
What we can do is economize on the amount of energy we use in our daily lives.
我们所能做的就是在日常生活中节约能源。
Our nation is one of those which is short of water and whose water resources are getting worse and worse. So we must economize...
我国属于缺水国家，且水资源日益恶化，这就需要科学用水，节约用水。
In this paper, we discussed each topic of energy imput and output in fruit growing and suggested how to economize the energy resource in fruit production.
本文分析了果树栽培能量输入和输出的各个环节，并提出了果树生产节能的途径。
Diesel oils price is more and more high, by reconstructing fuel oil supply system of asphalt concrete mixing equipment, we take heavy oil place of diesel oil, it would economize much project cost.
通过改造沥青混凝土拌和设备燃油供给系统，采用重油代替柴油燃烧，将极大地节约工程成本。
Therefore, we not only need protect the water resources, but also wants the economize on water.
因此，我们不仅要保护水资源，还要节约用水。
We should effectively protect, rationally exploit and economize on natural resources.
我们知道，必须节约使用自然资源。
We should effectively protect, rationally exploit and economize on natural resources.
我们知道，必须节约使用自然资源。
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