鉴于化学燃料火箭浪费太多的推进剂难以实现飞船速度的静变化，电力推进器仅仅使用一小点推进剂就可以做同样的任务。
Whereas chemical rockets waste too much propellant to reach a net change in spacecraft velocity, electric thrusters can do exactly the same mission using just a small fraction of the propellant.
迄今为止，围绕月球，共开展了73项科学探测任务，载人或者无人，以了解月球的化学成分，尤其是发现水，更是重点关注的项目。
There have been 73 missions, manned and unmanned, to the Moon, and understanding its chemical composition, particularly finding water, has always been a priority.
研究者希望化学反应后产生的氢，不仅能发射火箭，也能为长时间的空间任务补充氢电池。
Researchers hope that the hydrogen products of that reaction might go beyond launching rockets, and also feed hydrogen fuel cells for long duration space missions.
高技术之家EC序列将包括厨房化学和营养学，对科学怎样帮助您完成像煮鸡蛋一样最简单的任务提出一个更好的解释。
The High Tech Home Ec sequence will cover kitchen chemistry and nutrition, providing a better understanding of how science can help you perform the simplest of tasks, like boiling an egg.
该卫星将会执行为期两年的任务，全面的绘制月球的地形、矿产和化学成分。
It's being sent on a two-year mission to map in-depth the moon's topography and its mineral and chemical properties.
这类飞行任务进行的实验旨在发现我们已知的地球生命具有的几种化学元素和化学反应。
The experiments on such missions are designed to ferret out the handful of chemical elements and reactions that have been known to characterize life on Earth.
原因是，一心多用让人感觉很棒，大脑会因为多了一项新的任务而分泌额外的多巴胺（一种影响人们情绪的神经传递素），人们因做每一项新任务而得到了化学物质的奖励。
The reason multitasking feels so good [is that] our brains give us extra shots of dopamine [a brain neurotransmitter that affects mood] for every new task we multitask.
对于罗塞塔(Rosetta)来说，这个问题是要执行一项任务，找出蛋白质，这种由名为氨基酸的化学物质链接而成的东西，是如何选定其最终的三维形态的。
For Rosetta, that problem was the task of figuring out how proteins, which are composed of a chain of chemicals called amino acids, adopt their final, three-dimensional shape.
“信使号”（MESSENGER）就是“水星表面，空间环境，地质化学以及广泛搜所任务”的缩写，它将飞入宇宙中最小且离太阳最近的行星，199千米的水星。
Messenger, which stands for Mercury Surface, Space Environment, Geochemistry and Ranging, swooped within 199 kilometers Mercury, the smallest planet in the Universe that is also closest to the Sun.
其卞要任务是发现新的振荡体系，研究反应机理及探索化学振荡反应与生命有机体的关系。
The major task is to discover new oscillating systems, investigate the mechanisms of these reactions and explore the relationship between oscillating chemical reactions and the living organisms.
对应用化学专业的定位进行了分析，阐述了应用化学专业的性质和任务。
Analysed the location of applied chemistry speciality, elaborated the nature and task of applied chemistry speciality.
在化学学习任务上，女老师比男老师倾向于采用显性方式呈现。
Learning task in the chemical and female teachers than male teachers tend to use explicit texts.
本文就元素无机化学课程的主要任务和现状分析及元素无机化学探究式课堂教学的思路进行了浅显论述。
In this paper, we briefly discussed the main task, the present situation analysis and the thoughts about the investigating type class on inorganic chemistry of elements.
化学分析的迅速的测验方法能解决这两项任务。
Rapid test methods of chemical analysis can solve both these tasks.
简述了化学计量学、分析化学和食品分析三者之间的关系和各自的任务。
The relationship and task among the analysis of food, chemometrics and analysis chemistry are outlined.
每一型抗体都有自己的任务，负责巡防微生物、过敏原和毒素中某一种特定的化学特征。
Each model of antibody has its own mission; it patrols for a distinct chemical signature of a certain microbe, allergen or toxin.
应用领域：在化学制药业的输送和定量任务，以及聚合物生产中单体，低聚物，预聚物的输送。
Application % areas: transportation and quantitative tasks in transportation chemical and pharmaceutical industry, as well as polymer production of monomers, oligomers, prepolymers.
油藏地球化学描述既是油藏地球化学研究的一项基本任务，又是进一步开展油藏地球化学其它项目研究的基础工作。
Reservoir geochemical description is not only a basic task for reservoir geochemical study, but also the base of other research object on reservoir geochemical description.
小多伦斯接手的第一个项目是研究浓缩汤的做法，由于他有化学与数学的教育背景，很快就完成了这个任务。
The younger Dorrance's first project was to try to figure out how to make a condensed soup, a recipe he quickly solved with his educational background in chemistry and mathematics.
化学教师在课堂教学中如何完成实验任务，对教学效果具有很大的影响。
How a Chemistry teacher completes his experiments has great effects upon the teaching result.
对于有吸收目标状态的循环任务，比较合理的方法是采用基于平均报酬模型的强化学习。
It is rational to adopt the average reward reinforcement learning algorithms for solving the absorbing goal states cyclical tasks.
因而科学并有效地创设化学课堂教学情景，是化学新课程教学的重要任务之一。
Thus establishing the chemistry classroom instruction scene scientifically and effectively is one of important tasks for new chemistry curriculum teaching.
对于这样一所学校的管理者来说，其最首要的任务就是积累更多的基金、聘用长期教职员工和强化学术氛围。
A degree in the administration of these schools is likely to deal more thoroughly with issues of funding, faculty tenure, and academic freedom.
提供化学方面的技术咨询，完成指定的任务及协助化学部经理处理日常工作。
Consultant to our clients in solving technical problems of chemical issue, Finish the appointed tasks and assistant to chemical manager to handle daily affairs.
地球化学异常评价的主要任务是区分矿致异常和非矿致异常以及就此提出远景预测区。
The main purpose of geochemical anomaly evaluation is to discriminate ore causing anomaly from the false ones in order to propose the prospective prediction area.
以多水下机器人的编队任务为例探讨了分布式强化学习在多机器人系统中的应用模式。
Taking formation problem of multiple underwater vehicles as an example, the application model of DRL in multi-robot systems is illustrated.
本文对各种近期的化学运载工具及上面级方案进行了评价，并提出了几种可执行某些微型航天器发射任务的方案。
This article evaluates a variety of near-term chemical launch vehicle and upper-stage options and discusses some launch vehicle options for application to several conceptual microspacecraft mi…
本文对各种近期的化学运载工具及上面级方案进行了评价，并提出了几种可执行某些微型航天器发射任务的方案。
This article evaluates a variety of near-term chemical launch vehicle and upper-stage options and discusses some launch vehicle options for application to several conceptual micros...
本文对各种近期的化学运载工具及上面级方案进行了评价，并提出了几种可执行某些微型航天器发射任务的方案。
This article evaluates a variety of near-term chemical launch vehicle and upper-stage options and discusses some launch vehicle options for application to several conceptual micros...
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