This paper described the characteristics of cold form tapping of 300m steel internal threads, analyzed its mechanism and studied through experiments the torque variation during cold form tapping.
本文介绍了300M钢内螺纹冷挤压成形特点，分析了冷挤压加工机理，并对冷挤压加工过程中扭矩变化规律进行了实验研究。
Glaciers may form in permanently cold areas, and these slowly moving masses of ice cut out valleys, carrying with them huge quantities of eroded rock debris.
冰川可能形成于长期寒冷的地区，而这些缓慢移动的冰块切割了山谷，带走了大量被侵蚀的岩石碎片。
To form a tornado, cold air must sit above warm and moist air, and the wind needs to go in different directions at different heights, creating shear forces.
形成龙卷风，寒冷的空气必须处在暖湿的空气上部，而风应该在不同高度向不同的方向运动，以此创造出剪切力。
Their absence supports the picture of a cold, dry Mars that never experienced the extended mild period required to form lakes and oceans.
它们的缺失使寒冷、干燥的火星经历了从未经历过形成湖泊和海洋所需的延长温和期的景象。
In cold English winters, frost-patterns would form on the inside of my bedroom window during the night.
在英国寒冷的冬天里，经过一个晚上，我的卧室窗户里就会形成霜冻。
The planet is in the "Goldilocks zone" of space around a star where surface temperatures are neither too hot nor too cold for liquid water to form.
这颗行星幸运的位于其恒星附近的“可居住带”，地表温度适中，这使液体水的形成成为了可能。
Then the researchers nudged this cloud of cold, compressed antiprotons so it overlapped with a like-size positron cloud, where the two particles mated to form antihydrogen.
然后研究人员推动这个冷却的云斑，并进一步把反质子压缩，以致可以用一个相似大小的中子云来与它相重叠，就在那时，两个粒子（反质子和中子）成对地形成了反氢原子。
The planet lies in the star's 'Goldilocks zone' - the region in space where conditions are neither too hot or too cold for liquid water to form oceans, lakes and rivers.
这颗行星位于恒星的“适居带(Goldilocks zone)中”，所谓适居带指的是位于该区域的行星气候不会太冷也不会太热，有形成海洋、湖泊和河流的液态水。
Besides being steady and strong, downslope winds can also be cold, and the frigid wind over the ocean surface has helped form fresh sea ice in areas where older ice was blown out to sea.
下行风除了强烈和稳定，还具有低温的特点，这股寒流风吹过海面之后，在那些已形成海冰被吹出海域的地方，新的海冰就形成了。
So it's not entirely impossible that free-floating planets have hot cores, cold surfaces, and an intermediate layer, where water could exist in some fluid form.
所以，存在一种可能，不受约束的漫游星有炙热的内核，寒冷的表层，和一个特别的中间层，在那水是液态的。
If the camera gets very cold, and you then bring it directly into a warm house, condensation can form and fog the lens.
如果你的相机的温度很低，然后你直接把相机带到温暖的屋里，相机上马上就会凝结出水珠，镜头的镜片也会出现雾气。
To protect the whale form the cold of the Arctic seas, nature has provided it with a thick covering of fat called blubber.
大自然为了保护鲸鱼，使它不致在北冰洋受冻，便让它长了厚厚的一层脂肪，叫做鲸脂。
In Cold Blood, which he immodestly heralded as a new form of non-fiction novel, was received with delirious approval; Norman Mailer dubbed Perry as one of the great characters in American literature.
他用《冷血》毫不客气地宣称了“非虚构小说”的到来，随后他受到了狂乱的追捧。诺曼·梅勒将佩里称为美国文学里最伟大的人物之一。
The steam is cooled by the cold engine nozzle, condensing and eventually freezing at the nozzle exit to form icicles.
热蒸汽被喷口边缘冷却、压缩并最终形成了喷口边缘的冰柱。
Form and dimension may also be achieved by a number of alternative processes such as hot or cold extrusion, sand casting, die casting, and precision casting.
形式和尺寸也可以通过其它一些可选工艺来达到，比如热挤出或冷挤出加工，沙模铸造，拉模铸造，或精密铸造。
Cold weather is another contributor because it can boost blood pressure, interrupt blood flow to part of the heart, and increase the tendency for blood clots to form.
寒冷的天气是另一个因素，因为它可能提高血压，干扰到心脏部分的血流，并且增加血栓形成的倾向。
Hydrates form in cold climates, such as permafrost zones and in deep water.
水合物形成于寒冷气候下，如永久冻土带和深水下。
This is mostly in the form of higher wages, which heat up the price structures in the exporting countries from whence this cold air came.
这主要是通过涨工资的形式表现出来，也就是说在这些输出冷空气的出口国家，薪资的增长推高了国内的价格结构。
This amazing picture shows a rare phenomenon called a roll cloud which tend to form ahead of a cold front and can stretch for miles.
这张惊人的图片展示了一种叫做云卷的罕见现象，它往往形成于冷锋之前，并能延伸数英里远。
In the winter crying, scared, will feel more cold and chilling and cold weather overlay each other, will form a vicious circle.
在冬天里哭泣，心寒，会更觉天冷，并且心寒与天冷相互叠加，会形成一个恶性循环。
When they can experience clearly the movement, tension, pulling, heat and cold and so on, the form of legs will soon be abandoned.
当禅修者清楚地经历移动、紧、拉、热和冷等等，腿的形状不久就被舍弃。
They usually have to be stored under cold conditions or even freeze-dried to a solid form to achieve an acceptable shelf life.
通常情况下，蛋白质和多肽药物被贮存在低温条件，甚至十被冻干成为固体形态，以期获得理想的效期。
Fortress is an architectural form for military affairs and defense, which can be frequently seen during Cold Weaponry Times.
寨堡是一种带有军事性目的和很强防御功能的建筑形式，在冷兵器时代常见。
The magazines quickly rejected me with cold little photocopied form letters.
很快，两家杂志都回绝了我，简短的回信是冰冷的复印件。
They have no Frost Nova or Blink, no Cone of Cold, no Ice Block, no travel form, no Nature's Grasp, etc.
他们也没有冰霜新星，没有闪现，没有冰锥，没有冰箱，没有旅行形态，没有缠绕等等。
Condensation may form on the reading glass if machine is moved from a cold to a warm place this will prevent proper scanning of documents for transmission.
如果将本机器从寒冷的地方搬到温暖的地方，扫描玻璃上可能会形成水汽，以至妨碍对要传送的文件的正常扫描。
The heating becomes the major energy consumption form for civil architecture and industrial architecture in extremely cold climate ofnortbem area.
北方地区冬季非常寒冷，民用建筑和工业建筑中采暖成为最主要的能耗形式。
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。
Snow is a form of frozen water. It contains many groups of tiny ice particles called snow crystals. These crystals grow from water particles in cold clouds.
雪是由冻水形成，包含大量细小冰粒的冻水被称作雪晶，这些晶体由寒冷云层中的小水滴形成。
Snow is a form of frozen water. It contains many groups of tiny ice particles called snow crystals. These crystals grow from water particles in cold clouds.
雪是由冻水形成，包含大量细小冰粒的冻水被称作雪晶，这些晶体由寒冷云层中的小水滴形成。
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