等距的

Spiral surface machining. How to form slick curve from data points, define reasonable machining points, find and exclude interference and so on are solved too in this article.

解决了如何由数据点拟合成光滑曲线、确定合理的步距点、找出干涉、排除干涉等一系列求解空间刀具轨迹的关键问题，并且运用VC++、Matlab语言实现了上述算法及仿真加工过程。

The products are mainly exported to North America, South America, Europe and SEA etc. We can supply the complete sets of fasteners with the standard of UIC and AREMA. The complete sets of fastener include rail clips, rail pad, rail spikes, track bolts, rubber pad, insulators, shoulders, dowels and rail clamps.

中博铁路产品主要出口北美、南美、欧洲与东南亚等世界各地，可以提供UIC以及AREMA整套铁路扣件所包含的弹条、扣板、铁路道钉、铁路螺栓、绝缘垫板、轨距块、预埋座、预埋套管、铁垫板全部产品的厂家。

Significant correlations between octanol/water partition coefficients and the quantum parameters of halogenated aromatics studied was obtained.

采用量子力学方法计算得到46种卤代芳烃类化合物的分子偶极距等参数，获得了LogKow与分子结构参数之间良好的相关方程。

The top pivot point is for those big wallops, that happen deeper in the stroke meaning a longer wheelbase for stability at high speeds, Fort William, Sun Peaks and Praloup etc.

顶端支点是那些大wallops ，这种情况发生在中风更深更长的轴距意义的稳定高速威廉堡，孙高峰和Praloup等

The research indicates that it is just such deformation and center distance changing gives rise not only to gears hot, noise and vibration, but also result in higher energy consuming and lower fatigue life to the gears, gear shaft and bearing.

研究表明，正是由于这种中心距增减而引起的齿轮倾轧，不仅会导致齿轮发热、产生噪音及振动，而且还会降低齿轮、齿轮轴以及轴承的疲劳寿命和增加能耗等。

The POD algorithm based on pseudo range and carrier phase epoch-wise differency observations is estimated by the simulated data. Based on the calculation results under different weighting and different GPS ephemeris accuracy, the influence of these factors to the POD results and the selection of the weighting are discussed.

按照实现简洁、精度符合要求的优选标准，研究了利用伪距和载波相位历元差快速几何定轨方法，给出了仿真计算结果，分析了等各种因素对于最终结果的影响，讨论了权因子选取问题。

We are a large number of tests, not only to screen the company has resolved the make-up thread, when the dots to enlarge the size of such issues as uneven, obviates theàcalculation, the trouble of hand-blown network things, but also through many times with the screen printing company communication, film output successfully resolved prior to screen printing Moire phenomenon, will allow your company's printing to further enhance the quality and efficiency.

我们通过大量试验，不仅给丝印公司解决了拼版有细线，放大时候网点大小不匀等问题，省却了计算像距、手工刮网点的麻烦事情，而且还通过多次与丝印公司沟通，成功地在菲林输出之前就解决了丝印龟纹现象，将使贵公司的印刷质量和效率进一步提高。

Vehicles traveling at headways of less than 6 seconds may be taken to be followers on two-lane highways in China.

我国将一般双车道公路上小於等於6s的车头时距定义为延误，并作为划分道路服务水平的因素之一。

Feng cities and towns located in the edge of the Pearl River Delta, large hinterland of the Pearl River Delta economic zone, away from Guangzhou, Shenzhen, Huizhou and other surrounding areas in the 200 km distance of less than 2 hours by car.

丰城镇位处珠三角洲边缘，大珠三角经济区腹地，距广州、深圳、惠州等周边地区的路程均在200公里以内，2个小时的车程。

A theoretical study on geometric structure of the Qinghaosu molecule has been Carried out by ab initio method of the Quantum Chemistry.

文章用量子化学从头算法，研究了青蒿素分子的几何结构，结果表明青蒿素分子的构型、键距、键角、二面角C1-O24-O23-C20等参数与X—射线分析测定值十分接近。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。