导言是文章的首段，应达到一下几个目的。
The introduction is the first paragraph in your essay, and it should accomplish a few specific goals.
潘基文说，到2030年，粮食增产应达到50%。
铝和复合材料气瓶的检测应达到主管机关的要求。
Aluminium and composite cylinders should be tested to the satisfaction of the Administration.
我们明白为此所需的辛劳、学习和应达到的教育水平。
We appreciate the hard work required for this purpose, learning and should reach the level of education.
多层涂层应达到规定的厚度，每一层应与前一层成直角。
Where multiple layers of coating are required to achieve the specified thickness, each layer shall be applied at right angles to the preceding layer.
在电信领域中，系统可靠性应达到99.999%以上。
In telecom field, availability of system must be larger than 99.999%.
原则上，前蹄尖抬起的高度应达到另一侧前肢管部中段位置。
In principle, the height of the toe of the raised foreleg should be level with the middle of the cannon bone of the other foreleg.
影片作业的拍摄长度应达到3 - 5分钟，片头加标题，片尾加姓名。
Assignment tapes should be from 3-5 minutes in length and have a title at the head and your name at the end.
在断奶后为了克服“生长滞后”，饲料和水的摄入量应达到断奶前水平。
To overcome the "growth lag" normally experienced at weaning, intake of feed and water should be targeted at levels achieved prior to weaning.
铸件结构应避免急剧变化，尽可能避免尖角，圆角应达到R0.3以上。
Avoid the quick changes of casting structure, use fillet radius on internal Angle when possible, which is no less than R0.3.
在设置附件整合之前，要确定存放文件的位置，以及整合的文件应达到的大小。
Before you set up attachment consolidation, decide where to place files and how large files should be before consolidation.
文中简单介绍了该系统的关键技术和系统应达到的目标，及其所获得的效益。
This paper briefly introduced the critical techniques of the system and the target and benefits which should be achieved by the system.
因此本文的目的旨在试图论证普及型卫星电视接收站应达到的五项视频指标。
The purpose of this paper is to expound and prove the five video quotas which should be reached by popular satellite television receiving station.
第三章探索当事人证明应达到的证明标准、当事人证明与海事法院查证的关系；
Part 3 probes in the standard the party's proof shall reach, and the relationship between the party's burden of proof and the investigation duty of the court.
应该注意的是，因着一些限制的缘故，复合信号还没有他们应达到的好用程度。
Note that combo signals are not as useful as they should be, because they currently have some limitations.
抗拉强度应达到每平方米毫米157牛顿，屈服强度要达到每平方毫米108牛顿。
Tensile strength should reach 157 newtons per square millimeter, the yield strength to reach 108 newtons per square millimeter.
论述了锤模锻造锻件的顶出机构应达到的基本要求；介绍了顶出机构的几种形式及设计要点；
The main demands which must be attained for forgings ejection mechanism in drop hammer forging were discussed. several patterns and the design essentials of the ejection mechanism were introduced.
为了使全球实际应用的农业关税降低三分之一，报告建议最高约定关税的降幅至少应达到75%。
To bring the average global applied agricultural tariff down by one-third, the study recommends cuts of at least 75 percent in the highest bound tariffs.
通过检验过程中对变压器常见质量问题的分析，指出问题产生原因、改进措施和应达到的质量指标。
Analyzes common quality problem of transformer during test period, points out the problem reasons, improvement measures and quality standard.
因而，建立和谐的光和热建筑物理环境，不仅应达到生理上的舒适，还应注意心理舒适的特殊要求。
So, not only physiological comfort but also psychological comfort should be got in building harmonious hight and heat architectural physical environment.
无论是令人印象深刻、令人悲伤、令人发笑还是令人深思，演讲者的外部表情应达到加强演讲主题的效果。
No matter making person impression deep, make person sadness, make one laugh make one think deeply still, the external expression of speaker should reach make speech vigorously the effect of theme.
先由新闻传播应达到的效果谈起，然后结合实际，谈传播过程中出现的问题，以及由此引起的社会负面效应。
Beginning with the expected effects of news broadcasting, I'll talk about some problems, which may happen in the process of news broadcasting, and negative effects caused by them.
护理专业大学生应达到怎样的信息素质要求及何培养和评价她们的信息素质，将是护理教育者思考和研究的课题。
What information literacy should nursing undergraduate students be required of and how to prepare and evaluate their information literacy will be the research subject by nursing faculties.
要求液面高度能保证净化液的自流，射流管内气体处于湍流状态，混合气流速度应达到连续射流所需的临界速度。
The liquid level must be high enough to assure the gravity circulation of liquid. In the jet pipe, the flowing gas holds a turbulent state.
要求液面高度能保证净化液的自流，射流管内气体处于湍流状态，混合气流速度应达到连续射流所需的临界速度。
The liquid level must be high enough to assure the gravity circulation of liquid. In the jet pipe, the flowing gas holds a turbulent state.
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