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分布特性     
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  distribution characteristic
     Determination and distribution characteristic of trace rare earth elements in pearls by ICP-MS
     珍珠中痕量稀土元素的ICP-MS测定及其分布特性
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     Study on the Forming Relationship Between the Tomato Population Structure and the Light Distribution Characteristic in the Plastic Sheet Shed and the Yield During the Middle-early Stage
     大棚番茄群体结构及光分布特性与中早期产量形成关系的研究
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     This paper simulates statistical characteristic of PMD in polarization maintaining fiber(PMF) link, and compares distribution characteristic of differential group delay(DGD) under different conditions.
     对多段保偏光纤 (PMF)组成的光纤链路的偏振模色散 (PMD)统计特性进行了数值仿真 ,分析比较了光纤段的长度、段数和级联角度不同的条件下 ,链路的群时延差 (DGD)分布特性 .
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     Study on space distribution characteristic of neutron field
     中子场空间分布特性研究
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     By analyzing mathematical characteristics of wavelet base,several criteria are presented which include entropy, coding gain, product ofpeak-to-peak ratio (PPR) and coding gain, PSNR of the reconstructed image, energycollection characteristic and energy distribution characteristic.
     通过分析小波基函数的数学特性,该方法提出用六个指标全面评估小波基的压缩性能。 这六个指标包括:熵H、编码增益G、峰—峰比PPR和增益的乘积PPR×G、最低频子带重构图像的峰值信噪比PSNR、能量集中特性,以及能量分布特性
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  distribution characteristics
     An experimental investigation of pressure distribution characteristics of wings of ×× missile was conducted under the conditions of M =1.2~3.0, α =8°~30°,  =0° and -45°.
     在M =1 .2~ 3.0 ,α =8°~ 30° , =0°、- 45°的范围内 ,进行了××导弹翼面超声速大迎角压力分布特性试验研究。
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     Study on Migration Mechanism and Distribution Characteristics of LNAPL in Two-dimensional Space
     LNAPL在二维空间的运移机制与分布特性研究
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     The fatigue strength distribution characteristics of steel HQ70 are studied based on fatigue life statistical characterization.
     在对HQ70钢疲劳寿命统计特性研究的基础上,利用疲劳寿命分布与疲劳强度分布函数间的转换关系,对HQ70钢疲劳强度分布特性进行研究,并作出疲劳寿命强度概率分布的P-s-N三维空间曲面.
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     Based on the rate equations and light propagation equations,the model of Er 3+/Yb 3+ co-doped double clad fiber amplifiers has been discussed,and the population distribution characteristics of Er 3+ upper level in Er 3+/Yb 3+ co-doped double clad fiber amplifier pumped at 980nm bands have been analyzed by using the results of numerical simulation.
     基于速率方程和光传输方程 ,对双包层Er3 + /Yb3 + 共掺光纤放大器的计算模型进行了讨论 ,并利用数值模拟结果对 980nm激光抽运双包层Er3 + /Yb3 + 共掺光纤放大器Er3 + 上能级粒子数的分布特性进行了分析。
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     After analysing the noise distribution characteristics and combustion state of the diesel generator, provides an improved design of the air supply/exhaust system, in which some noise control measures are taken, lowering the noise in A sound level at a point 1 m away and outside the building from 78 dB to 55 dB.
     通过对300kW柴油发电机噪声分布特性及柴油发电机燃烧状况的分析,设计出一种合理的送、排风系统,并对机房噪声采取了综合治理措施,使机房外1m处A声级噪声由78dB降至55dB。
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  distribution character
     The thesis analyzed the temporal and spatial distribution law of precipitation, the conversion relationship between precipitation and surface runoff and distribution character of regional surface water resources by the methods of field survey and located observation.
     本文通过现场调查、定位观测、数值分析等方法,对隆德县区域降水时空分布规律、降水—径流转化关系、地表水资源及其分布特性进行了研究,对区域水资源利用现状进行评价,并对区域今后的水资源工程布局进行了探讨,主要成果如下:
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     In contrast to TNF and FasL , TRAIL receptor expression and distribution character suggest different apoptotic mechanism .
     其受体表达和分布特性表明它与TNF及FasL不同的控制凋亡机制。
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     The Temporal and Spatial Distribution Character and Evaluation of Use State of Water Resources of Longde County
     隆德县区域水资源时空分布特性及利用评价
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     Sound Field Distribution Character of Sound Arrester Degrading in High Way
     高速公路声屏障降噪声场的分布特性
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     Objective To investigate the pharmacokinetic and distribution character of scutellarin in plasma and tissues in rats, in order to provide some references for rational drug use in the clinic.
     目的:研究灯盏乙素在大鼠体内药代动力学和组织分布特性,为临床合理用药提供科学依据。
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  distribution feature
     STUDY ON DISTRIBUTION FEATURE OF FRACTURE TOUGHNESS ON ROCK-CONCRETE INTERFACE
     岩石与混凝土界面断裂韧度的分布特性研究
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     The study of granule quality distribution feature in 36 kinds of dust
     铁路粉尘作业场所36种粉尘粒度质量分布特性研究
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     In the paper, the distribution feature of signal and speckle is studied in the frequency field by using wavelet analysis, then it is proved by experiment.
     本文用小波分析的方法研究了SAR图像信号和噪声在频域中的分布特性,然后用实验验证了本文所获得的SAR图像中相干斑噪声分布特性
     It is indicated by experiments that the improved FCM algorithm has better distribution feature of membership values and enhances the precision of image processing.
     实验表明,改进的FCM算法具有良好的隶属信息分布特性并提高了图像处理的精度。
短句来源
     The subordinate function concept of fuzzy mathematics and two quantitative indexes of the fuzzy concentration μT and fuzzy concentration-strengtthening μT are used to research the spatial distribution feature (concentration) and time-space distribution characteristics (strengthening concentration) of moderate earthquakes before a seismic all active episode in this paper.
     本文应用模糊数学中从属函数的概念,引进地震活动模糊集中度μ_c和模糊集中-增强度μ_T这两个定量指标,用来研究地震活动高潮期出现之前中等地震活动的空间分布特性(集中程度)和时空分布特性(增强-集中程度)。
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  distribution characteristic
The possibility of cyclotron maser cooling of the transverse motion of electrons in a beam with the oblate velocity distribution characteristic of the setups with electron cooling has been analyzed.
      
Range ambiguity distribution characteristic of spaceborne sar and its design consideration
      
The study drew following conclusions: 1) The consistent anomaly distribution characteristic was the most important mode of the EHT and ELT events in Northwest China.
      
In234U a level at 1045 keV, assigned in the literature as second-excited 0+ level, is weakly populated in the (p, t) reaction but does not show the angular distribution characteristic for single-stepL=0 transfer.
      
The fluorspars of the N?rdliche Kalkalpen showed REE distribution characteristic of a sedimentary formation while those of the Südliche Kalkalpen (Bleiberg area) apparently showed a hydrothermal type of REE distribution.
      
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  distribution characteristics
The analysis on voltage distribution characteristics is significant to the study of insulation failure mechanisms and structure design.
      
Based on the model, finite element differential method was employed to determine voltage distribution characteristics.
      
In addition, cable length has little influence on voltage distribution characteristics.
      
The distribution characteristics of protective relaying data flow and the constitution of the end-to-end delay of messages were analyzed.
      
Root Ecological Niche Index and Root Distribution Characteristics of Artificial Phytocommunities in Rehabilitated Fields
      
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  distribution character
The data showed that the studied group of adolescents was heterogeneous by the effectiveness of self-regulation: the majority was characterized by marked shifts whose distribution character was close to normal; the others, by mild EDR changes.
      
The possibilities of the remote estimation of the distribution character of the rock natural remanent magnetization in the zones of geomagnetic field reversal are considered.
      
Soil erosion spatial distribution character of sloping field in the Sichuan Hilly Basin: Taking a cultivated slope in Neijiang a
      
This paper discusses the spatial and seasonal distribution character of dissolved and particulate trace metals in the anoxic seawater of Saanich Inlet, B.C., Canada.
      
The results show that the simulation values can explain well the earthquake distribution character of Chinese mainland and its neighboring area.
      
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  distribution feature
We found that the belowground biomass was mostly distributed in the 0-10 cm soil depth in the alpine meadow with a "T"-shape distribution feature, and with the acceleration of deterioration, the numbers of roots becomes less and less.
      
Many lands can be classified into the kind surface in the view of scale and distribution feature of the roughness elements such as agroforest, scatter planted or growing trees, savanna and so on.
      
The spatial distribution feature of roots favors the growth of ash in the mixed stand.
      
According to the source mechanism of the main shock and the distribution feature of the aftershocks occurring in the southern Taiwan Straits on Sept.
      
The quasi-static solutions of two kinds of the thermo-elastic problem and the time space distribution feature of the seismic pre
      
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