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sharp boundary
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  “sharp boundary”译为未确定词的双语例句
     coallescent appearance,lack of internal enhancement and sharp boundary of necrotic cavity were observed in(94.4%)(17/18) of hepatic abscesses.
     94.4%(17/18)肝脓肿造影后病灶内出现大小不等的无回声区呈融合状,与周围肝组织界线清楚。
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     When the composition of PA6/EPDM/PE-MA was 80/20/12,the Izod impact strength of the dry blend specimens under room temperature was 13 times of that of pure PA6,while the dispersed EPDM particles became much smaller and the sharp boundary between the two phases was blured.
     当PA6/EPDM/PE-MA为80/20/12时,共混物在干态常温下的Izod冲击强度是纯PA6的13倍。
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     In the magnetic anomaly diagrams, the deposits locate in:the gradient belt of magnetic anomaly diagram, symmorphous twisting belt, sharp boundary of magnetic field and linear or moniliform anomaly belt;
     在磁异常图上则位于:磁异常梯度带、同形扭曲带、磁场截然分界线或线状及串珠状异常带上;
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     The study on Porod curves q 3J(q)_q 2 indicates that there is a sharp boundary between precipitates and the ma trix.
     对Porod曲线q3J(q) q2 的分析表明 ,析出粒子与基体之间有明显的界面
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     One contrast-enhanced CT scans,the cases with clear boundary only occupied 40%,in 44% of the cases,the lesions had sharp boundary based on the different of density.
     增强扫描癌灶密度差异明显的占 44% ,单靠密度差异能使其周界全部或大部清楚的仅占 40 %。
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  相似匹配句对
     The problem of "sharp boundary"is coursed by the localization of classic set theory.
     另外,尖锐边界(sharp boundary)也是在入侵检测中应用数据挖掘方法需要解决的问题,而产生尖锐边界的主要原因就是因为0、1划分机制在建立正常模式中的局限性。
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     The result is sharp.
     这结果是准确的。
短句来源
     Boundary thinking
     边界沉思
短句来源
     LEGEND OF SHARP
     锋芒毕露的传奇
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     Plural·Boundary
     多元·有界
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  sharp boundary
The fold vergence is generally northwards and its amplitude decreases progressively towards SSE, until disappearring in a sharp boundary where the reflectors are undeformed.
      
A very sharp boundary in parameter space separates models in which ruptures stop spontaneously from those in which rupture propagates at super-shear speeds.
      
In both the cases it is found that the frequency dependence for refraction arrivals is the same as expected from a sharp boundary, viz., ω-1.
      
The region is visibly observable on CdZnTe slices and appears as a dark area with a sharp boundary.
      
When the polysaccharide and the protein were in the same system they phase segregated with a sharp boundary between the phases.
      
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Kink instabilities of a sharp boundary plasma column with elliptical cross-section are studied. A general form of dispersion relation expressed in terms of elliptical eigenfunctions and analytical results for single-mode and double-mode perturbation (to second order in ellipticity δ) are given. For an arbitrary ellipticity, numerical calculations are carried out.

本文处理了锐边界椭圆截面等离子体柱的扭曲不稳定性,给出了用椭圆特征函数表示的色散关系的一般形式,对单模和两模扰动,给出了精确到椭圆率ε二级的结果。在任意椭圆率下进行了数值计算。 结果表明,模数之间的耦合起解稳作用。当椭圆率增大时,稳定性所需的q-Σ值迅速增加,在无导体壳和a/b>2时,近似地有q_-1∝(a/b)~2。 对于有限长度的系统,波长等于系统长度的扰动是最危险的。在小椭圆率情况下,对此种扰动而言,当系统的长度缩短(相应于环径比减小)时,对应的系统稳定性q值仅稍为增大一点。导体壳有一定的稳定作用。但当变形足够大时,扰动的有限波长和导体壳的存在对系统稳定性q值几乎没有多少影响。

In large castings and forgings etc., hollow defects with cymbal shaped profile and sharp boundary some-tims appear. In the past this defect was treated as a circular penny shaped crack, but this is an over-simplification. In this paper using the cymbal coordinates and the small parametric method, the stress intensity factorin axially symmetrical problem of the thin cymbal defect is obtained and when h/D< ,an engineering approximate formula is given.

在大型铸锻件等问题中,存在一类带有尖锐边缘的空心缺陷,这种缺陷类似于钹形,称为钹形缺陷,以往当成圆形片状裂纹处理,显得过于简化.本文用钹形坐标和小参数法,求得了这类缺陷的应力强度因子,在时,给出了工程近似计算公式.

The tearing mode instability is investigated for sharp boundary high-β reversed field pinch configurations which are close to the force-free field configuration. The effects of the conducting wall on the m=0, 1 and 2 modes are discussed for various configurations of this kind, and critical locations of the conducting wall are given.

本文研究了邻近无力场位形的锐边界高β反场收缩位形的撕裂模不稳定性。讨论了导体壁对于不同反场位形的m=0, 1和2模的影响,并给出了导体壁的临界位置。

 
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