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A new algorithm of utter compensation, which is called " weighting method of compensation " for curve of the second order, has been developed.

提出了一种新的任意二次曲线半径补偿算法—加权补偿法,本算法用加权平均及权值修正技术,在插补过程中逐步地补偿刀具半径带来的偏移误差,解决了数控系统中非圆二次曲线必须靠分段近似来加工的难题。

The research was conducted on alpine meadows in Dari county of Qinghai Province. The results showed: In the YF treatment, soil C and N content were 7.47 g?m^(-2) and 0.647 g?

研究结果如下:原生植被封育处理每平方米土壤平均碳、氮含量分别为7.47 kg和0.647 kg,而重度退化地碳、氮含量分别为3.67和0.448 kg?

The objective parameter EDT, and more precisely, the correlation between the initial slope of the decay curve of the stationary field and the average damping constant of all excited normal modes, has been studied by some authors, i.e.H.

对于客观参量EDT,或者更确切地说,对于稳态声场衰变曲线的初始斜率与包括所有简正模式在内的平均阻尼常数之间关系的研究工作,已有一些研究者做过,如H。

The objective parameter EDT, and more precisely, the correlation between the initial slope of the decay curve of the stationary field and the average damping constant of all excited normal modes, has been studied by some author, i.e.H.

对于客观参量EDT,或者更确切地说,对于稳态声场衰变曲线的初始斜率与包括所有简正模式在内的平均阻尼常数之间关系的研究工作,已有一些研究者做过,如H。

Based on the k-means algorithm, mean relative deviation is presented to measure the degree of denseness, and dynamic weights of variables are associated with it.

在k-means算法基础上,提出利用平均相对偏差对数据的维分布密集度进行度量,并根据空间分布的密集度动态地给属性赋予权值。

Cavity flows both with and without sound excitation are studied by solving the 2 D time dependent Reynolds averaged Navier Stokes equations using explicit predictor corrector difference algorithm of Mac Cormack.

采用显式MacCorma-ck二步预估校正有限差分格式,求解二维雷诺平均非定常Navier-Stokes方程;并用Cebeci-Smith代数紊流模型作适当修正来模拟紊流效应,对有、无前缘声激励两种情况的空腔流场作了数值模拟,计算的振荡频率及振荡幅值都与实验结果基本符合,并且较好地模拟出了声激励对流场的影响。

There are also closed centers embedded on the belt, appearing zonal non-uniformity. The classic method of zonal deviation can just depict the zonal non-uniformity of subtropical high partly, while meridional deviation from the zonal mean along the equator can describe both the belt and the centers on it, i.

用传统的纬向偏差仅仅能部分地描述副高的纬向不均匀;而用新引进的相对于赤道的纬向平均的经向偏差可以同时描述副高带及其上单体的经向和纬向不均匀。

The total water resources in this region average of 200 million cubic meters, flat-year 172 million cubic meters of water, dry years, 105 million cubic meters, mainly by the ground water, groundwater, composed of two parts, groundwater is mainly Quaternary diluvium Diving .

本地区水资源总量年平均为2.00亿立方米,平水年1.72亿立方米,枯水年1.05亿立方米,主要由地上水、地下水两部分组成,地下水主要是第四纪洪积物潜水。

It certainly seems that, when civil society begins and families cease to hold together through a series of generations, the idea which spontaneously suggests itself is to divide the domain equally among the members of each successive generation, and to reserve no privilege to the eldest son or stock.

当然,当民事社会开始,各家族在经过许多世代以后已不再结合在一起时,自发地就产生了这种观念,要把领地在每一世代的所有成员中平均分配,并且不专为长子或其支系保留任何特权。

The results show that TaC with form of coating enwrap evenly and compactly around with the carbon fiber in C/C-TaC composites and form the cannular microstructure, both the average strength and toughness of C/C-TaC composites sample increase apparently.

结果表明:C/C-TaC复合材料中TaC以涂层形式均匀致密地包覆在炭纤维周围,形成管状微观结构,大大提高C/C-TaC复合材料试样的平均强度和韧性。

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Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势,并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。

This dramatic range, steeper than the Himalayas, is the upturned rim of the eastern edge of Tibet, a plateau that has risen to 5 km in response to the slow but un stoppable collision of India with Asia that began about 55 million years ago and which continues unabated today.

这一引人注目的地域范围,比喜马拉雅山更加陡峭,是处于西藏东部边缘的朝上翻的边框地带。响应启始于约5500万年前的、缓慢的但却不可阻挡的印度与亚洲地壳板块碰撞,高原已上升至五千米,这种碰撞持续至今,毫无衰退。