圆的

The spiral angle of graduated circle was rough estimated by measuring the addendum circle diameter and modified on milling machine.

介绍了精确测绘单一斜齿圆柱齿轮齿形参数的简便方法，即测量公法线长度计算基圆齿距从而查表确定模数和压力角；测量齿顶圆直径估算分度圆螺旋角，用分度头在铣床上修正分度圆螺旋角，并进行误差分析。

Our main products are: 130 polyester enamelled copper round wire, 155 modified polyester enamelled copper round wire, 180 polyester-imide enamelled round copper wire, 200 polyester-imide / PA ester imide compound enamelled copper round wire, high strength acetal enamelled round copper to grade, B grade, F grade, H-class straight Solderability enamelled copper round wire polyurethane.

我们的主要产品有：130级聚酯漆包铜圆线、155级改性聚酯漆包铜圆线、180级聚酯亚胺漆包铜圆线、200级聚酯亚胺/聚酰胺酯亚胺复合漆包铜圆线、高强度缩醛漆包铜圆、以级、B级、F级、H级的直焊性聚氨酯漆包铜圆线。

A circle whose circumference rolls along the circumference of a fixed circle, thereby generating an epicycloid or a ''.

周转圆一个围绕着另一个固定圆周长滚动的圆，从而产生圆外旋轮线或圆内旋轮线，即外摆线或内摆线

A circle whose circumference rolls along the circumference of a fixed circle, thereby generating an ''.

周转圆一个围绕着另一个固定圆周长滚动的圆，从而产生圆外旋轮线或圆内旋轮线，即外摆线或内摆线

But line rotary cutter die cutting machine is also a costly Rotary processing cycle length-cutting roller.

但连线圆压圆模切也有模切刀具成本较高圆压圆模切辊加工周期长的缺点。

The experiments on recovering the residual heat of the flue gas from gas-fired boiler were performed to study the condensation performance of the drop-shaped tube.

结果表明：烟气通过滴形换热管的压损小于圆管，温差大于圆管，冷却水温升高于圆管，换热系数高于圆管。

English, french, spanish, portugese, georges, and louises, doubloons and double guineas and moindores and sequins, the pictures of all the kings of europe for the last hundred years, strange oriental pieces stamped with what looked like wisps of string or bits of spider's web, round pieces and square pieces, and pieces bored through the middle, as if to wear them round your neck - nearly every variety of money in the world must, i thin, have found a place in that collection; and for number, i am sure they were like autumn leaves, so that my back ached with stooping and my fingers with sorting them out.

我觉得整理这些钱币是一件莫大的乐事。其中有英国的金基尼、双基尼，法国的金路易，西班牙的杜布龙，葡萄牙的姆瓦多，威尼斯的塞肯，有最近一百年欧洲各国君主的头像，有古怪的东方货币，上面像是缕缕细绳、张张蛛网；有圆的有方的，有中间带孔的，好像可以串起来挂在脖子上。我估计差不多世界上每一种货币都被搜罗全了。

We took turns with the mirror as we ate mulberries, pelted each other with them, giggling, laughing; I can still see Hassan up on that tree, sunlight flickering through the leaves on his almost perfectly round face, a face like a Chinese doll chiseled from hardwood: his flat, broad nose and slanting, narrow eyes bamboo leaves, eyes that looked, depending on the light, gold, green, even sapphire I can still see his tiny low-set ears and that pointed stub of a chin, a meaty appendage that looked like it was added as a mere afterthought.

我们一边轮流地玩着镜子，一边吃着桑葚，一边用它们砸着对方，一边咯咯哈哈地笑。我现在还能想象出哈桑坐在树上的样子，阳光透过树叶闪烁在他那张几近正圆的脸上。他的脸像一张硬木凿刻出来的中国娃娃的脸：扁平而宽厚的鼻子，细长的眼睛斜斜的，宛如一片竹叶，眼球因为光线的不同而呈现出金色、绿色，甚至是蔚蓝色。我还记得他那生得很低的小耳朵，还有下巴上粘着的那个明显的肉球，肉乎乎的，仿佛是事后再加上去的一笔。

We took turns with the mirror as we ate mulberries, pelted each other with them, giggling, laughing; I can still see Hassan up on that tree, sunlight flickering through the leaves on his almost perfectly round face, a face like a Chinese doll chiseled from hardwood: his flat, broad nose and slanting, narrow eyes bamboo leaves, eyes that looked, depending on the light, gold, green, even sapphire I can still see his tiny low-set ears and that pointed stub of a chin, a meaty appendage that looked like it was added as a mere afterthought.

我现在还能想象出哈桑坐在树上的样子，那是一张几近正圆的脸上，罩在树缝间支离破碎的太阳光下，像一张硬木雕出的中国娃娃的脸：扁平的鼻子，细长的眼睛斜斜的，宛如一片竹叶，随着光线的变化时而泛金、时而泛绿，甚至泛成蔚蓝色。哈桑的耳朵生得很低，下巴上粘着一粒尖尖的肉球，肉乎乎的，仿佛工匠深思熟虑之后添加的妙笔。

Of the importance of the Square of 8 and 9 grid relationship, Schwaller says, These two lengths, 8 and 9, are related to musical harmony. This is the tone in music and also the ratio between the diameter of a disk and the side of a square of the same surface area. The sum of 8 and 9 is 17, the famous number of Jabir [the famous Arabic alchemist of the 8th century C.E.].

对8方图和9方图的重要关系，古埃及考古学家，金字塔研究专家史沃乐先生说：这两个长度，8和9，和音律和谐规律是相关联的，它们是音乐中的调和与增强，也是一个圆的直径和等面积直角方形的边长的比率。8和9的和等于17，它是一个著名的阿拉伯术士在公元8世纪所使用的一个著名的数字。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。