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- By default, SQL Server uses rounding when converting a number to a decimal or numeric value with a lower precision and scale. 默认情况下,将数字转换为较低精度和小数位数的decimal或numeric值时,SQL Server会进行舍入。
- Redundant adribute in data set will lead to low precision and low interpreting ability of data mining. 数据集中的冗余属性会降低数据采掘结果的解释能力及精度。
- Not only low precision system but also high precision system can both appy the algorithm. 并通过计算机模拟显示,其结果能正确反映海流的实时状态。
- VSM is analyzed to find the reason for its low precision, and propose an approach by using the contents of hyperlink neighboring pages. 本文分析了向量空间模型的实质,并找出了其精度低的原因,在传统模型基础上提出了一种基于网页超链接结构的向量空间模型改进算法。
- The electromagnetic system design of instantaneous trip used to be calculated on the basis of experience and magnetic circuit and made low precision. 瞬时脱扣的电磁系统设计以前通常根据经验和磁路方法计算,误差较大,利用Ansys基于场的电磁场数值解法,求出其电磁铁的静态吸力,并根据分析结果进行修改,有效地提高了设计效率。
- Thought Web Mining has numerous commercial applications,there are many problems in it,for example,enor-mous computation and low precision etc. Web挖掘技术在商业上有广泛的应用前景,但现有的Web挖掘技术存在计算量大,精度不高等问题。
- For the weighbridge used in coal mine is lower precision and is interfered by people easily, a management system of coal transportation and sale was designed in the paper. 针对现在部分煤矿仍采用机械式地上衡而造成精度低、人为因素多的情况,设计了一套煤炭运销管理系统。
- And the unsupervised WSD based on NBM got a little lower precision in comparison to the supervised, but it is worthy further researching since it has a well extension performance. 基于NBM 的无指导词义消歧正确率略低,但有很好的扩展性,值得进一步的研究。
- But they have many disadvantages, including small scope, low precision, low distinguishability, inefficiency, and easy to bring human error. 2、效率低,自动化程度不够,不利于自动测量;
- There is many workload, low efficiency, highly cost, low precision, etc. and many problem in traditional survey technology. 摘要传统常规的测量手段具有工作量大、效率低、费用高、精度低等多方面的问题。
- Traditional grid service matching is based on keyword, and has shortages such as inflexibility, low precision and recall. 传统的网格服务匹配一般是基于关键字匹配,这种匹配方法缺乏语义信息,灵活性差,查全率低。
- Using traditional measurement method for si lk sectional area,it waste time,strenuosity,and low precision disfigurement. 针对传统的蚕丝截面积的测量方法费时,费力且精度低的缺点,提出了基于计算机视觉技术的蚕丝截面积测量方法。
- I (Hancheng precision Limited) South Korea is well-known brand screws large enterprises in the country set up a joint venture of. 我公司(韩城精密有限公司)是韩国著名品牌螺丝大企业在国内设立的联合企业之一。
- Niche chaotic mutation particle swarm optimization (NCPSO) is proposed to overcome the problem of the premature and low precision of the standard PSO. 摘要针对粒子群算法早熟收敛和搜索精度低的问题,提出了基于混沌变异的小生境粒子群算法(NCPSO)。
- To obtain knowledge and data from incomplete decision table (IDT), the paper presents a new doubly variable precision limited tolerance rough set theory model (VPLTRST). 摘要为了能够从不完备决策表(IDT)中进行知识发现和数据挖掘,提出一种新的具有对称性的双重可变精度限制容差关系粗集模型(VPLTRST)。
- It is feasible to process tenuous hole with low precision on the plain lathe by adopting appropriate clamping apparatus &drilling tools and proper processing technology. 设计适当的夹具和钻具、采用合适的加工工艺,在普通车床上进行特度要求不高的细长孔的加工是可行的。
- Whilethere is only a single criterion in the existing bank seal automatic recognition system ofmarket with the deficiencies of low rapidity and low precision. 已不能适应银行业务的需要.;而市场现有的银行印章自动识别系统又存在判据单一
- The low precision characters of the integrated inertial/stellar attitude determination system consists of MEMS(micro electromechanical systems) gyros and CMOS APS star sensor. 针对基于MEMS(微机电系统)陀螺和CMOS APS星敏感器的集成惯性/星光姿态确定系统的低精度特点;研究了适用于该定姿系统的基于矢量观测的定姿算法.
- The ordinary truncated element is widely adopted in engineering for analysis of revolutionary shell, but it has low precision on the calculation of stress and strain. 普通截锥壳单元是分析旋转壳结构的常用单元,但应力计算的精度较差;
- The observed terrain elevation sequence is obtained from the barometer and the radar altimeter,but the low precision of the barometers limited their application on the aircrafts. 实时测量的高程序列由惯导的高度通道和雷达高度表获得,首先对实测的和从电子地图中获得的地形高程序列分别进行零均值化处理,然后再运用相关法进行匹配。