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ridge distance
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  纹线距离
     A Method Based on Spectral Analysis with Big Window for Fingerprint Ridge Distance Estimation
     基于大窗口频谱分析的指纹纹线距离估计方法
短句来源
     A method based on spectral analysis for fingerprint ridge distance estimation
     一种基于频谱分析的指纹纹线距离估计方法
短句来源
     A Method Based on Statistical Window for Ridge Distance Estimation in Fingerprint Image
     一种基于统计窗的纹线距离估计方法
短句来源
     A fingerprint ridge distance estimation method at region level
     一种基于区域水平的纹线距离估计方法
短句来源
     In the beginning ,the fingerprint image is transformed to spectrum image via FFT ,then it is divide the spectrum image into n directions ,and in each direction we estimate ridge distance .
     另外提出了一种适用于嵌入式系统的指纹纹线距离估计的算法,该算法基于傅立叶频谱分析,首先通过快速傅立叶变换将指纹图像变换到频域,然后将频谱图像分成n个方向分别求纹线距离,最后作处理从而得到指纹图像的纹线距离
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  垄距
     The results showed that: the 22.5 cm ridge distance,370 000 plants per hm2,the 45 cm ridge distance,400 000 plants per hm2 were the best cultivation patterns for Fengshou No. 24.
     试验结果表明:22.5 cm平作37万株/hm2和45 cm垄距40万株/hm2两个处理组合为本试验中丰收24的最佳栽培方式。
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  ridge distance
Further comparative evaluation of the inter-ridge distance is required in order to assess its value as a taxonomic criterion.
      


The sloping fields account for about 50%of total fields in Heilong jiang province. Afterdownslope tillage changed into contour tillage,soil and water loss were alleviated,but because ofthe changes of small topography,direction of ridges still exist certain slope degree,however it meetheavy rain,serious soil and water loss can be produced.In order to prevent soil and water loss ofsloping field,develop agricultural production and improve ecological environment,this paper havefully testified the best ridge distance...

The sloping fields account for about 50%of total fields in Heilong jiang province. Afterdownslope tillage changed into contour tillage,soil and water loss were alleviated,but because ofthe changes of small topography,direction of ridges still exist certain slope degree,however it meetheavy rain,serious soil and water loss can be produced.In order to prevent soil and water loss ofsloping field,develop agricultural production and improve ecological environment,this paper havefully testified the best ridge distance of contour check determined by mathematic model,which havebeen set tip by means of the method of natural rainfall and artificial simulated rainfall. The resultsindicated the contour check increased soybean yield by 14.5%~22.8%,increased maize yield by16.2%~19.2%,reduced runoff volume by 85%~100%,reduced erosion amount by 90%~100%,runoff producing time of the ridge tillage is 16~18 times as much as contrast.

黑龙江省的耕地约有50%是坡耕地,在顺坡垄作改为横坡垄作以后,减轻了水土流失。但由于微地形的起伏变化,垄向仍然存在着一定的坡度,遇较大降雨仍能产生较强的水土流失。为此,探索一条防治坡耕地水土流失更为有效的途径是发展农业生产,改善生态环境的迫切需要。该文采用天然降雨和人工降雨方法对本课题组由数学模型所确定的最佳土挡间距进行了充分验征。结果表明:大豆增产14.5%~22.8%,玉米增产16.2%~19.7%,径流量减少85%~100%,冲刷量减少90%~100%,径流发生时间延长15~17倍。

In order to reveal the relationship between the orientation of occlusal plane and the mastication function, four complete dentures were made for each of ten edentulous patients.The four dentures for each patient were the same except the orientation of occlusal plane. The plane of the standard dentures was paralyzed to the alae tragus line and was in the middle of the inter ridge distance while that of the experimentals was 5 degree inclined anterior posteriorly or laterally. The maximum bite force...

In order to reveal the relationship between the orientation of occlusal plane and the mastication function, four complete dentures were made for each of ten edentulous patients.The four dentures for each patient were the same except the orientation of occlusal plane. The plane of the standard dentures was paralyzed to the alae tragus line and was in the middle of the inter ridge distance while that of the experimentals was 5 degree inclined anterior posteriorly or laterally. The maximum bite force was recorded and analyzed in the denture wearers. The bite force in the identical wearer with standard denture was significantly higher than that with the experimental. The results indicate that the plane of the complete denture paralyzing to the alae tragus is favorable for the patient's mastication.

为观察总义齿咬合平面定位设计与患者咀嚼功能的关系,选择10名无牙颌患者,分别为每个患者各作4副总义齿,其中有一副义齿(标准义齿)的咬合平面以上中切牙近中切角为基准或向后上、或向后下、或向左右方向倾斜5°。测定患者戴各义齿用单侧尽最大力咬合时的力值,发现患者戴标准义齿时平均最大咬合力值显著高于其它义齿。该结果提示:总义齿的咬合平面平分颌间距离且与耳屏鼻翼线平行最有利于无牙颌患者咀嚼功能的发挥

In order to prevent soil and water losses on slope field, to improve ecological environment and to guarantee agricultural high and stable yields, this research has determined the best ridge distance of basin tillage of different ridge slopes according to the best ridge distance and mathematical model of basin tillage, and probed its function on conserving soil and water and increasing yield. The result indicates that the basin tillage increases soil moisture content by 3.2%~8.8%, soybean yield...

In order to prevent soil and water losses on slope field, to improve ecological environment and to guarantee agricultural high and stable yields, this research has determined the best ridge distance of basin tillage of different ridge slopes according to the best ridge distance and mathematical model of basin tillage, and probed its function on conserving soil and water and increasing yield. The result indicates that the basin tillage increases soil moisture content by 3.2%~8.8%, soybean yield by 17.5~18.0 and maize yield by 18.2%~20.2%. The net increase value of soybean is 555.0~975.0 yuan per hectare and the net increase value of maize is 927.0~975.0 yuan per hectare.

为了有效地防治坡耕地水土流失,改善生态环境,保障农业高产稳产,研究工作依据坡耕地垄作区田的土挡最佳间距数学模型,确定了不同垄向坡度条件下的土挡最佳间距。并对其保土增产效益进行了探索。结果表明:垄作区田能就地拦蓄降雨,使土壤含水量增加3.2%~8.8%,促进作物生长,使大豆增产17.5%~18.0%,玉米增产18.2%~20.2%,每公顷净增产值大豆为555~575元,玉米为927~975元。

 
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