查询词典 directional

Then the new methods are applied to extract slub, which is the directional feature of fabric images. Instead of the past extracting method, in which the slub is regarded as fabric defects, slub is regarded as a texture feature. A more suitable Gabor filter is designed.

然后将新方法应用到织物图像的方向性特征—竹节纱的提取上，本文的方法不同于以往将竹节看作织物图像疵点的提取方法，而是将竹节看作一类纹理特征，设计更具有针对性的Gabor滤波器。

Firstly, the directional beam of smart antennas worsens the hidden terminal, and it even introduces new problem of node deafness.

在MAC协议研究中，引入智能天线和功率控制技术后，有助于减小信号干扰，改善链路的传输质量，从而显著改善MAC协议性能。

Finally, when regarding the component wave of irregular wave spectrum as regular wave1 and calculate the wave refraction In shallow water by Snell's law, the result is different from the result analysis by directional spectrum.

将波谱中各频率之波浪视为单一规则波，用 Snell定率计算其折射角，其结果与实测结果并不一致，表示方向波谱中各频率主方向无法利用规则波之原理以简化条件的方法求出。

MethodsNeural tubes isolated from the region between midotic placode and third somite of mouse embryo at ED 8.5d were cultured in DMEM/F12 serum-free medium containing basic fibroblast growth factor and epidermal growth factor. The cell cycle of CNCCs was analyzed with flow cytometry, the proliferation capability was determined by MTT method, AP-2α expression was detected by immunocytochemistry as a biological marker of cardiac neural crest cells. The features of migration, multi-directional differentiation were observed as well.

材料与方法成年2月龄C57／BL6小鼠交配，取ED8.5d小鼠胚胎枕中部至第3体节神经管，应用包含碱性纤维生长因子和表皮细胞生长因子的无血清培养基培养，利用MTT法检测细胞增殖能力，利用流式细胞仪检测细胞周期，采用转录激活因子2α(AP-2α，Activator protein-2α)作为其生物学标记物，观察其增殖状况、细胞周期、迁移、分化等生物学特性。

Result The wild southernwood resources mainly had 7 phenotypes and the population purity of southernwood reached more than 95% through continuously directional screening and purifying.

结果］青蒿野生资源主要有7个表现型，经过连续定向筛选与纯合，群体纯度达到95%以上。

For those reasons being listed above , this paper presents a large set of spectral signatures of the polarized reflectance acquired over different agrotype about the soil type, soil granularity and soil water containing with bi-directional reflectance photometer which was invented by engineer Jin^Xinfeng.

文章的第一节是前言；第二节是国内外研究现状；第三节是选题的意义；第四节是仪器和样本介绍；第五节是干土及一定含水量土壤的偏振反射特征；第六节是不同含水量土壤的偏振反射特征研究；第七节是不同粒径土壤偏振反射特征研究；第八节是全文的总结。

The company has always been committed to the cause of China's import and export development, the Acting world's third-largest maker of construction machinery CASE company's Series 60 horizontal directional drilling rig, M series of backhoe loader and the United States麦克尔罗伊of the company's PE Fusion Splicer, the United States DCI's control to the instrument, and other products.

公司始终致力于中国的进出口事业的发展，目前代理世界第三大工程机械生产商CASE公司的60系列水平定向钻机、M系列挖掘装载机以及美国麦克尔罗伊公司的PE管熔接机、美国DCI公司的控向仪等产品。

On the engineering application, the method of rotating stabilization is usually used to guarantee the directional stability in flight of rocket system because of its validity and simpleness.

旋转稳定方法由于其有效性和比较简单，在工程上，常常采用弹体绕自轴旋转的方法保证火箭系统飞行方向的稳定性。

This will be an omni-directional and omni-perspective study of the state of the medicine listed company in our country. Our aim is to benefit the management of the board of the medicine listed-company and the improvement of the performance of the company

这是对我国医药类上市公司的董事会治理状况进行的一个全方位、多角度的研究，旨在对改善我国医药类上市董事会治理和提高经营绩效有所裨益。

The B-1 had a fixed tailwheel undercarriage and directional control was achieved through a small rudder on the sternpost - because the twin main rotors were expected to neutralise the normal torque effect.

这架B - 1具有固定的tailwheel底盘和定向控制sternpost透过对一小舵-因为这两个主要预期抵消转子正常扭矩作用。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。