美国能源部提交的一份报告显示赶在石油峰值到来之前启动一个紧急方案来取代目前的能源供应或设备大概需要20年左右才能起作用。
As a report commissioned by the US Department of energy shows, an emergency programme to replace current energy supplies or equipment to anticipate peak oil would need about 20 years to take effect.
但无论孰对孰错，这都是一个极富吸引力的想法：为什么不能利用光合作用用回收二氧化碳的方法来取代直接将其排放到大气中的做法呢？
Whoever turns out to be right, though, it is an intriguing idea: instead of releasing the carbon dioxide produced by burning fossil fuels into the atmosphere, why not recapture it by photosynthesis?
显然，在我们开发结构时我们使用了很多的隐喻，但是它们并不能取代结构的作用。
Clearly, when we develop an architecture we use many metaphors, but it certainly does not take the place of an architecture.
如同声音输入一样，手势能够为键盘的功能起到补充作用，但是却不能取代键盘进行文本输入。
Like voice input, gestures complement keyboard usage activity but will not replace the need for keyboard text entry.
很明显学校和老师的作用无法被取代。
To be clear, the role of teachers and schools cannot be replaced.
家庭作为社会化的机构，无论过去还是现在，都具有社会和学校不可取代的作用。
As a socialized unit, a family has the function that cannot be replaced by society or school, whether in the past or in the present.
工程训练在人才培养过程中所起的作用是其他的理论课程无法取代的。
The role of engineering training in the course of training personnel can't be replaced by the other theory curriculum.
在评估退行性椎体滑移神经症状方面，CT及CT脊髓造影检查的作用很大程度上已经被MRI取代。
The role of CT and CT myelography in the assessment of neurological symptoms in DS has been largely replaced by MRI.
特别是在后工业社会，在脑力劳动逐渐取代体力劳动的跨世纪之交，体育将发挥日益重要的作用。
So sports will play a more important role, especially during the period of post industrial society when mental labor is gradually taking the place of manual labor.
Facebook还不能取代LinkedIn和Twitter对科技社区的作用，最主要的原因是它并不是一个针对专业团体和即时交流的网络。
Facebook can not replace LinkedIn and Twitter for the tech community, precisely because it is not focused on professional networking and instant communication.
我们知道企业的贪婪正在被慷慨解囊所取代，我们也知道在财务状况和对社区和社会需求所给予的关注间存在着潜在的协同作用。
We know that corporate greed is being replaced by generosity and we know there is potential synergy between financial performance and attention to community and social needs.
良好的道德环境，对人们的道德教化及道德养成起着积极的不可取代的作用。
Good moral environment plays an active and unsubstitutive role in the training of moral education.
科学证据不仅在司法审判中起着极其重要的作用，而且在科研成果的评价中也是不可取代的。
Scientific evidence plays an extremely important role not only in judgement, but also in evaluation of scientific achievements.
尤其在造纸领域，粉煤灰超细纤维可部分取代木浆配抄纸品，节省原木耗费，对保护森林资源起积极作用。
Especially in paper making field, fly ash superfine fibre can replace wood pulp, which can save log consumption and protect woods resource.
纪录片是电影和电视片中的重要片种，除了纪录片的画面外，纪录片的解说词在影视传播中也起着不可取代的重要作用。
Documentary is an important genre in cinema and television series, and the commentary in documentary, alongside with its images, plays a significant role in audiovisual communication.
取代尼罗河的作用：人为的营养物质在提供过去由一条大河带给地中海的肥力吗?。
Replacing the Nile: Are Anthropogenic Nutrients Providing the Fertility Once Brought to the Mediterranean by a Great River?
通过试验和计算发现，挡板在反应器中起到均匀分布能量的作用，并可取代导流筒。
From the experiments and succedent computations, the importance of baffle is found that it can distribute energy evenly in ALR and may be used to replace the draft tube.
这些经济体有着较低的负债水平，前景乐观，目前被看作是取代发达经济体承担起了拉动全球经济增长的作用。
Those economies, with lower debt levels and strong outlooks, are now seen as having taken on the role of driving global economic growth from the developed economies.
研究了超声辅助作用对淀粉颗粒形貌和产品取代度的影响。
The effect of assistance of ultrasonic wave on granule appearance of corn starch and the substitution degree were investigated.
电脑将会在教育过程中起越来越关键的作用，但是它们绝对不能在教室中取代老师的地位。
Computers will play an increasingly critical role in education, but it is impossible that they could replace teachers in the classroom.
我们知道，巴斯夫作为国际知名的化工跨国企业，旗下有着众多分支业务，每个分支在不同的化工领域都有着不可取代的作用和地位。
We know that, as a renowned international multinational chemical corporation, BASF has many segments, of which each segment has its irreplaceable role and status in different chemical industries.
不过有一件事是确定的：与手机取代公用电话不同，Twitter并没有取代我的社会网络活动—相反它起到了促进的作用。
One thing is for sure, though: Unlike cell phones displacing pay phones, Twitter hasn't replaced my social-networking activity - it enhances it.
由于人工软化水采用钠离子取代镁离子和钙离子，因此具有极强的腐蚀作用。
Artificially softened water is exceedingly corrosive because the process substitutes sodium ions for magnesium and calcium ions.
以植物光合作用为基础，这家硅谷初创企业正在开发据说是碳负性的燃料，可从空气中吸收二氧化碳，有朝一日可能将取代汽油的位置。
The Silicon Valley startup is developing what it says are carbon-negative fuels, based on plant photosynthesis, that absorb CO2 from the air and could someday replace gasoline.
这项装置，名为视网膜下植入元件，位于视网膜下部，可以直接取代视网膜退化失去的光受体而发挥作用。
The device — known as a subretinal implant — sits underneath the retina, directly replacing light receptors lost in retinal degeneration.
这也说明了对于单取代苯衍生物，取代基在致毒作用中可能起重要作用。
It is also showed that substituents could play an important role in the toxic effect of mono-substituted benzene derivatives.
而且也不能取代正确宏观经济调控所起的作用。
Nor is it a substitute for getting the macroeconomics right.
而且也不能取代正确宏观经济调控所起的作用。
Nor is it a substitute for getting the macroeconomics right.
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