NASA的工程师将科幻小说中的素材变成了现实,他们正在检查太阳帆-这中独特的推进技术最终有一天会使深空任务成为可能。
Making the stuff of science fiction into reality, NASA engineers are testing solar sails — a unique propulsion technology that one day could enable deep space missions.
乐观者说,有半杯水,悲观者说,杯子的一半是空的,工程师说,杯子太大了,它是它所盛装的,液体体积的两倍。
The optimist says the glass is half full, the pessimist says the glass is half empty, the engineer says that glass is twice as large as it needs to hold the fluid it contains.
开始设计一个简单的图形库:要这样做,您需要利用NewUMLProject向导(图1)在新的UML工程中创建空的模型。
Start by designing a simple graphics library: To do this, create an empty model in a new UML project by using by the new UML project wizard (Figure 1).
分析了破片场空间分布规律,介绍了一种空爆型杀爆战斗部杀伤概率的工程计算方法。
The engineering calculation method for the lethal probability of the blast-fragmentation warhead exploding in the air was introduced.
还对工程设计中与电气相关的问题以及空冷设备订货合同谈判中应注意的问题作了说明。
The problems of notice in engineering design and in negotiation of order contract for air-cooled equipment are analyzed and explained.
但是当从事统计投票工程的时候,奥巴马正在写作他的第一本书,《来自父亲的梦想》,每天晚上,留下孤独的米歇尔空守寂寞。
But while running Project Vote by day, Obama was writing his first book, Dreams form My Father, at night, leaving Michelle feeling rather lonely.
文后举了四个例子,其中三个是现在文献中常用的考题,还有一个是某结构工程的实例-91米直径的空问网架屋盖。
Four examples are illustrated, three of them are usually used in references, the rest one is a practical engineering structure, a spatial network of roof with diameter in 91m.
因此如果能把水用于电弧加热发动机,则对深空探测和载人航天工程具有重要的意义。
Therefore, the application of water in arcjet has important significance to the research of deep space detection and manned spacecraft.
体外培养1周后,取组织工程瓣膜及未种细胞的空支架做血小板黏附试验。
After cultured for 1 week, the tissue engineered heart valve and unseeded scaffold were tested by platelet adhesion experiments.
现在,建立一个空的Python工程。
针对大采高工作面过空巷时的矿山压力分布进行了数值模拟,以掌握其分布规律,从而对工程实践提出指导性意见。
A digital simulation is made to the rock pressure distribution of faces with large mining height when crossing gob, which may guide engineering practice.
最后,结合工程实例的实验结果,说明了发生空蚀破坏的主要原因是不平整度以及体型的不合理。
Finally, the main reasons which are the surface irregularities and the reasonability of construction shape are shown by the experiment results of engineering example.
经验证,该式计算的空拔壁厚变化量与实际值基本一致,可用于工程计算。
By test, the variations calculated with the equations are in conformity with the actual values and can be used in engineering calculation.
陕西神木阳光电厂工程空冷岛的安装质量控制主要是保证焊缝的施工质量和风机找平对中的质量,进度控制就是确保施工节点不变。
The installation quality of the air-cooling island, which is a turn-key project of Shenmu Yangguang Power Plant, is very important, and its schedule control is also very complicated.
裂缝、渗漏、起砂和空鼓等是建筑工程中的常见病和多发病。本文对此予以了剖析。
Cracking, leaking, dusting and hollowing are the common quality failing in the housing project. In this paper, the relative factors are analyzed, and the countermeasures are also given.
在建筑工程中,水泥地面施工发生的空鼓开裂问题是影响施工质量的难症。
In construction project, hollow bed in the operation of cementitious ground is a difficult problem which is not so easy to be surmounted and always affects the operation quality.
英国的北海区域有已开采空的油、气田,很适合用来埋存,而且我们还拥有领先世界的地质工程技术。
Depleted oil and gas fields in the North Sea are suitable for storage and we have world-class expertise in geo-engineering.
大同第一热电厂供热机组替代改造工程空冷凝汽器是国内首台大型直接空冷,对于节省水力资源具有十分重要的意义。
The transformed air-cooling condenser of the heating unit of the NO. one Thermal Power Plant of Datong is the first direct air cooling in China, and is very important in water saving.
空泡群的研究将使空化研究更接近于工程实际,空泡群空化规律的深入研究是下一步努力的方向。
Research on bubble cluster makes cavitation study close to engineering practice. The law of cavitation on bubble cluster is a study emphasis in further research.
保存这个新建的空工程到你想要保存代码的目录文件里。
Save the project in the folder of your project, where you plan to hold the code.
地下工程中临空面上首先冒落并引发其他岩块冒落或片帮的块体称作“危石”。
The block which will be the first of caving rocks from free surface and lead to more caving or side-fall in underground work is known as "critical rock".
本文以大同火电空冷机组工程造价管理为依托,在实践的基础上,进行分析和归纳。
In this paper, we analysis and Conclude in the basis of practice, relying on the cost management of air-cooled unit engineering in Datong.
灰场的岩土工程勘察,采空变形的计算、评价及预测方法,灰场灰坝的地基结构设计,对采空区上建筑水力除灰场的岩土工程研究具有一定的指导意义。
This paper presents the investigation of geotechnical engineering of the yard and calculation and evaluation of deformation of the goaf as well as the design of the foundation structure oft...
用三维有限元数值模拟方法分析了太阳辐射强度对不同朝向墙面饰面层空鼓检测效果的影响,与实际检测工程相比较,提出不同朝向采取不同的最佳检测时间的方法。
The idea of inspecting wall with different orientation at the best time is proposed after simulating the effect of the the radiation on the building by means of 3D FEM method.
通过实际工程案例的应用验证,说明该方法与实际情况相符,可以为矿山采空风险评估提供新的方法和手段。
A real case study was used to validate the veracity of this method, and it showed that the method was available to evaluate the goaf safety of the mini...
研发用于热水、净水、空净等产品的先进传感器技术或解决方案,并协助产品研发工程师实用化;
Develop advanced sensor for water heater, water purifier and air purifier products, meanwhile, support engineers to use those sensor in partice;
研发用于热水、净水、空净等产品的先进传感器技术或解决方案,并协助产品研发工程师实用化;
Develop advanced sensor for water heater, water purifier and air purifier products, meanwhile, support engineers to use those sensor in partice;
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