由温度梯度，熔体重力和固化块的作用引起的坩埚形变和裂隙缩短了坩埚的使用寿命。
Owing to the action of temperature gradient, melt gravity and solidifying bulk, the life of the crucible is reduced.
研究了垂直形变异常与地震的对应关系，地震发生在垂直形变隆起区的边缘形变高梯度带上。
And the corresponding relationship between crustal deformation and earthquake is researched, the earthquake oc curred in high gradient belt along the edge of vertical deformation upward district.
分析认为，可以用热轧形变量大小控制渗碳层的碳梯度。
It is considered that the carbon gradient of carburized layer can be controlled by hot-rolling deformation rate.
目的提出一种基于边缘流的梯度矢量流（gradientvectorflow，GVF）形变模型的图像分割方法，并用于淋巴结超声图像的分割。
Objective To put forward an improved gradient vector flow (GVF) snake model based on the edge flow for segmentation of medical ultrasonic images of the lymph node.
目的提出一种基于边缘流的梯度矢量流（gradientvectorflow，GVF）形变模型的图像分割方法，并用于淋巴结超声图像的分割。
Objective To put forward an improved gradient vector flow (GVF) snake model based on the edge flow for segmentation of medical ultrasonic images of the lymph node.
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