Whereas in mammals the tiny tubes that convey nutrients to bone cells are arrayed in parallel lines, in birds the tubes form a random pattern.
哺乳动物将营养物质输送到骨细胞的微小管道是平行排列的，而鸟类的管道则是随机排列的。
They found that a small amount of aspirin suppressed the way the cells form tubes.
他们发现少量的阿斯匹林的细胞形态压抑。
The resulting solution is directed into tubes containing a catalyst that is activated by UV light and causes the dissolved CO2 to react with water (H2O) to form methanol (CH3OH).
由此产生的进一步方案是将这样的溶液导入内容催化剂的试管中，其催化剂在紫外线的作用下使溶于水的二氧化碳（CO2）与水（H2O）反应，生成甲醇（CH3OH）。
Unlike the flat cylindrical tubes of traditional needles, two serrated shanks form their needle's exterior, while a central shaft slides between.
和平滑的圆柱形传统针头不同，这种针头的外部是两段锯齿条，中空的部分可以在锯齿条之间滑动。
Regardless of type NPN or PNP-type tubes, the internal transistor has three areas, namely, the launch area, base, collector area, the three areas form two PN junction.
无论npn型还是PNP型管，三极管内部均有三个区、即发射区、基区、集电区，三个区形成两个PN结。
The five coloured tubes are cut through the building at different angles, breaking up the regimented floor plates. The tubes jut from the facade to form bay windows.
五条彩色斑斓的管道打破了刻板的平面布局形式，从不同角度穿越过空间，从建筑的玻璃立面延伸而出。
Aluminium and aluminium alloys. cold drawn rod bar and tube. part 8 : porthole tubes, tolerances on dimensions and form.
铝及铝合金。冷拔棒材条材和管材。第8部分：多孔拉拔管尺寸和形状公差。
In theory, the small hole-cutting machine can cut arbitrary hole on arbitrary curved surface, and the tube-end incisory robot can incise round tubes' ends of any form.
理论上，小型开孔切割机器人能够在任意曲面上开任意形状的孔，管端切割机器人能完成任意形状的圆管端头的切割。
English Name:Aluminium and aluminium alloys - Extruded rod/bar, tube and profiles - Part 8: Porthole tubes, tolerances on dimensions and form;
简体中文标题：铝和铝合金。挤压棒材、管材和型材。第8部分：带孔管材。尺寸和形状公差。
As a newly used material, steel thin-walled sonic-testing tubes used for the cast-in-situ piles have not a unified form of connecting.
混凝土灌注桩用钢薄壁声测管是一种较新的声测管材，其连接方法目前没有统一的形式。
In the most severe form, they cannot eat or drink at all and must receive nutrition and fluid replacement through tubes into the stomach or intravenously, "he said."
在个别严重的病例，患者根本不能进食和饮水，只能通过胃管或者静脉给与营养和水分，他说。
The final product is tubes round, square, and rectangular. form 1in to 5in (regular sections).
最终产品为圆管，方管，矩形管，管子断面从1英寸至5英寸。
The final product is tubes round, square, and rectangular. form 1in to 5in (regular sections).
最终产品为圆管，方管，矩形管，管子断面从1英寸至5英寸。
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