The typical school district lunch budget must be self sustaining, which makes lunchroom managers understandably risk-averse.
典型的校区午餐预算必须是自负盈亏的，这样一来就不难理解为什么餐厅经理不愿冒风险了。
Asia's emerging economies will be on a self-sustaining cycle of growth.
亚洲的新兴经济体会出现自我维持的循环增长。
The circumstances that had allowed natives to become Romanized also led the self-sustaining military community of the frontier area to become effectively British.
使原住民成为罗马人的情况也导致边境地区自给自足的军事团体有效地成为了英国人。
One potentially cheap and self-sustaining method of halting the spread of bracken is to introduce natural enemies of the plant.
阻止蕨菜蔓延的一种潜在的廉价和自我维持的方法是引入该植物的天敌。
Water ice could enable the creation of a self-sustaining moon base someday, a mining camp perhaps, or a departure point for further space exploration.
某天水冻冰块可能会创造一个自给自足的月球基地，也可能是采矿营地，或者是更远的太空探索的起点。
These electrons get funnelled into a metal spherical receiver to produce a current, which generates the wire's magnetic field - making the system self-sustaining.
这些电子被引入一个球形金属收集器以产生电流，继而产生线圈的磁场——这样这个系统就可以自我维持了。
But none of these became self-sustaining in the way that science is today.
但是，上述群体中没有哪个象今天的科学一样不断自我延伸。
At present, students have to feed it chemicals to keep going but he hopes it will be both evolving and self-sustaining within a couple of years -a primitive form of synthetic life.
目前，研究者必须给它喂食化学物质，让它维持，但他希望，两年内，这个人造化学体系不仅能进化，还能自我维持，成为一种原始的合成生命形态。
The meanings of "mechanical" and "life" are both stretching until all complicated things can be perceived as machines, and all self-sustaining machines can be perceived as alive.
“机械”与“生命”这两个词的含义在不断延展，直到某一天，所有结构复杂的东西都被看作是机器，而所有能够自维持的机器都被看作是有生命的。
Nations that cannot get a self-sustaining recovery going, including China, face the risk of relapse.
无法实现自持性复苏的国家(包括中国)，将面临经济再度恶化的风险。
We need to create a self-sustaining cycle, where people are spending, and companies are hiring, and our economy is growing.
我们需要建立自我维持的循环，也就是人们在消费，企业在招聘，经济在增长。
When enough of these neutronsproduce further fissions—rather than escaping, bouncing off or being absorbedby atoms that do not split apart—the process becomes self-sustaining.
足够多的中子就会引发进一步的裂变—不是逃走，要么撞击原子，要么被没有裂开的原子吸收—演变成自动维持的过程。
Only the private sector is capable of improving the cost and reliability of space transport to the degree necessary to establish self-sustaining life on Mars.
要在火星上安居乐业自给自足，惟有私营部门方能改进航天运输的成本与可靠性[达到此举]必需之程度。
On the one hand, the society demands a generation that fully comprehends how to lead a self-sustaining life.
一方面，社会需要的是一代能够充分理解如何自立生活的孩子。
Countries will feed off each other's growth, boosting confidence among businesses and consumers, leading to a self-sustaining recovery.
各国将依托彼此的增长，增加企业和消费者的信心，推动可自我持续的复苏。
The firm's algae towers, designed as slender white towers with green patches, would serve as self-sustaining housing, interlaced with hydrogen production.
该公司的海藻塔，设计成打上绿色补丁的细长白色塔楼，将成为能够自我维持的住宅系统，与制氢相互交错。
Particularly at big labels such as Universal, A&R executives increasingly expect acts to have built a self-sustaining, if modest, business before they offer them a recording contract.
尤其是环球这样的大唱片公司，星探大佬愈加希望签约前，艺人就已创下了一份，谦虚点说，可以养活自个的事业。
We will continue to grow the club's presence globally while also adhering to the club's self-sustaining economic model.
我们会继续发扬俱乐部的全球风采，同时也会继承已有的自负盈亏的经营模式。
They created a self-sustaining and self-reproducing ecosystem in order to make Ascension Island more habitable.
他们创造了一个自我维系和自我繁殖的生态系统，让阿森松岛更适合人类居住。
Looking ahead, the pressing concern now is whether the rise in unemployment will become self-sustaining by creating a negative feedback loop between demand and unemployment.
向前看最大的担忧在于，失业率的上升，造成需求(下降)与失业之间形成负反馈，而使得失业率居高不下。
Looking ahead, the pressing concern now is whether the rise in unemployment will become self-sustaining by creating a negative feedback loop between demand and unemployment.
向前看最大的担忧在于，失业率的上升，造成需求(下降)与失业之间形成负反馈，而使得失业率居高不下。
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