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|  | | 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。 | |
A principle of designing realizable precision interfaces between sensors and digital ports of microcontrollers and microconverters which enable one not only to measure a physical variable but also to estimate its derivative was proposed.
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The sensor is inserted in a vacuum chamber; the rotating mechanism of the sensor and location of the ports in the facility enables measurements along the plasma column.
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It is proposed that the compact neutron cameras be placed inside the shielding blocks located in the equatorial (nine collimators) and diverter diagnostic (seven collimators) ITER ports.
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By switching the six ports switching valve, the retained chelates can be back-flushed by mobile phase and travel towards the analytical column.
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The data demonstrated that Avacha Bay was subjected to heavier anthropogenic impact than the water areas of the ports of Kholmsk and Magadan.
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| | Facing the great developing period of oceangoing container service in our country, one of the decisive problem is which shiptype is to be elected. In this paper, beginning with study on development of worldwide marine containerized transportation, according to the circumstances-such as import and export cargoes, ports, channels, and fleets-of oceangoing container service in our country, the optimum types of container vessel for the main lines between China and N.W.Europe, Northern American, Mediterran... | | 面对着我国远洋集装箱运输进入大发展时期,选用何种船型成为一大决策问题。本文从对世界海上集装箱发展情况的研究着手,根据我国开展远洋集装箱运输的条件:进出口货物、港口、航道以及船队情况,分析论证了西北欧、北美、地中海与波斯湾等主要航线上适用的集装箱船型。并对现有滚装船与多用途船的使用等问题提出了建议。 | | 文摘来源 | | Since 1920's the system science has provided a new theory and method for the mankind to study the system control and optimization. According to this theory, a multi-function system must contain many sub-systems which are independent, interrelated, restricted and coordinated. Optimization in the sub-system does not mean that in the general system. So, in order to realizing the optimization of the general system, restriction is necessary to study and make coordination, analysis among the sub-systems. Besides,... | | 自本世纪二十年代迅速发展起来的系统科学,为人们研究系统控制和优化提供了崭新的理论和方法。系统理论认为,在一个多功能的大系统中,必有许多互为依存、相互关联的子系统,彼此间形成协调和约束。子系统最优不一定是大系统最优。因此,需要通过子系统之间的协调和约束,对系统进行综合分析,分级优化,系统论证,实现大系统的最优。从船型论证出发,逐渐扩展研究范围,将运输船舶与港口、航道等水运工程系统联系起来,构成船型宏观论证的大系统,并以此确定本文研究的边界。本文试图用系统理论分析研究港口、航道、船舶三个系统之间的相互关系,在众多复杂因素中,选取每个系统的一项或几项主要参数作为系统之间的协调变量,寻求一种系统优化的方法。按有关部门对宏观技术经济评价的要求,在效益与费用评价之中,选取在完成一定货运量下使系统投入最少为本系统研究中的目标。以工程经济理论和大系统理论为指导,完成系统的物理模型到数学模型的转化。通过分级优化技术寻优,初步得到满意的结果。 | | 文摘来源 | | When more and more chemical plants and fertilizer plants are set up in China nowadays, liquid cemicals are greatly demanded every year, of which a large quantity should be imported. According to the source of liquid eamicals and the handling facilities in ports, the author puts forward two ship types and makes economic evaluation from the view point of capitalmaitain and loan-return to suit the development of the shipping of liquid camicals. Large chemical carriers of about 38000t are suggested to be ... | | 我国由于大型的石化厂和化肥厂的建立,每年需要大量的液化原料,但国内尚未能正常生产,只能大量进口.为适应液化原料海运的发展,以我国液化品的货源及其运输港口的设施为前提,作者提出了两种船型方案,并以保本和偿还货款为出发点进行了经济论证.作者认为,为适应批量大、运输港口条件好的磷酸的海运,应该建造大型磷酸运输船,吨位在38,000吨左右;为适应进口品种多、批量少,运输港口条件差的醇类,苯类等化学品,建议建造3,000吨级的小型液化船. | | 文摘来源 | |   | | << 更多相关文摘 |
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