The optimum passage section figure of rectangle is square, and the rectangle has 4 optimum comer circular arcs which make the hydraulic loss of friction loss of per unit length passage the least.
矩形流道断面以正方形为最优，且存在最优角圆，使单位长流道沿程水力损失最小。
Which section of a magazine is the passage probably from?
这篇文章可能来自杂志的哪个部分？
I don't have time here to discuss this section right now, but you've already had some encounter with the incredibly impressive level of ingenuity and grotesquery in this remarkable passage.
现在我们没有时间来讨论这一部分了，但你们已经领略到了这一段中，给人深刻印象的，独创性和其中的怪诞。
Section 2 Provisions on Passage of Motor vehicles.
第二节机动车通行规定。
Section 3 Provisions on Passage of Non-motor vehicles.
第三节非机动车通行规定。
Students complain that passage understanding is the most difficult section due to their limited vocabulary.
学生们普遍反映篇章理解是最难的部分，他们认为自己的词汇量很有限。
With a sigh and a click, a section of stone moved forward and then swung out, revealing a secret passage beyond.
随着一声叹息和滴答一声，一块石头向前移动了一段距离然后向外打开，露出一条秘密通向外面的通道。
Reading a long passage will replace fast reading in Section B. The length and difficulty of the passage are still the same, but it is followed by 10 statements.
原试卷第二部分的快速阅读理解调整为长篇阅读理解。篇幅长度和难度保持不变。篇章后附有10个句子，每句一题。
Consider just the following passage from chapter 30, section 21. Hobbes writes: "For the use of laws, which are but rules authorized," he says, "is not to bind the people from all voluntary actions."
请大家想想30章第21部分，霍布斯的这段话：，法律的妙用，也即那些经君主授权的规章制度的用途，不是要约束人民，做那些他们本该做的事。
Traffic capacity of basic road section of rapid commodity transport passage was discussed from aspects of vehicle flow feature and calculation of traffic capacity.
从车流特征和通行能力计算方面探讨了快速货运通道基本路段的通行能力。
The HEADINGS for each section of the passage refer to what is contained in each section, and where information can be located. They also help you to predict what the passage is about.
雅思文章各部分的小标题提示了各部分的内容，以及信息所在的位置，并帮你预测文章的主旨大意。
An overview on construction of under-river section, liaison passage, landward section and electromechanical installation is presented.
介绍了工程概况，对江中双层圆隧道、联络通道和岸边段的施工方案、机电设备安装作了详细阐述。
The cross section of the passage is a regular or irregular plane polygon, and then the specific surface area is large and the mass transfer efficiency is high.
通道横截面为规则或不规则平面多边形，因而比表面积大、传质效率高。
After the passage of the Homeland Security Act, Section 4107 of tile 5, U. S. Code was amended.
在国土安全法案第5条4107款通过后，美国法典进行了修订。
The colonoscope rack setting auxiliary passage pipe is one double cavity passage pipe with elliptic cross section.
本发明是由一个双腔体的通道管组成，所述的双腔体通道管其截面呈非对称性椭圆形。
The riverbed form in different periods from 1958 to 2005 of the South Channel and the South-North-Passage bifurcation and the cross-section transformation between U-shape and W-shape are analyzed.
分析了1958~2005年不同时期长江口南港及南北槽分汊口的河床形态特征，以及河床U形断面与W形断面的相互转化。
Vents are permanently open in the outer skin, whilst the inner section allows the passage of air via a motorized tilt and turn opening arrangement.
建筑外表面的排气口长期开着，同时内部区域允许空气通过自动化的倾斜且翻转的开口布置。
The utility model has the advantages of the big section area of an air lateral flow passage, a long flow passage, a good cooling effect, and reducing the resistance.
本实用新型具有气侧流道截面积大、流道长，冷却效果好，阻力降低等特点。
The utility model has the advantages of the big section area of an air lateral flow passage, a long flow passage, a good cooling effect, and reducing the resistance.
本实用新型具有气侧流道截面积大、流道长，冷却效果好，阻力降低等特点。
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