Objective: To study the stress states of the complete dentures supported by implants with varied neck diameter.
目的：研究种植体颈狭部直径变化对种植全口义齿及其支持组织应力状况的影响。
When hardened layer depths of axle neck and spline bottom diameter is(0.
轴颈及花键底径的硬化层深度为（0。
Designs and computations were made for major components such as twisting moment of the valve axle, neck and air jar diameter.
对阀轴的扭矩、轴颈、气缸直径等主要部件进行设计计算。
Persistent unexplained extensive lymph nodes (lymph nodes greater than 1 cm in diameter), common in the neck, armpit and the occipital, as well as liver and splenomegaly.
持续性原因不明的广泛淋巴结肿大（淋巴结直径大于1厘米），常见于颈、腋及枕部等，以及肝、脾肿大。
Methods Measure the depth of the soft tissue in the back neck of fetus, Biparietal diameter(BPD) , femur length(FL) and abdominal circumference(AC), and apply linear regression equation.
方法超声测量胎儿颈后软组织厚度、双顶颈、股骨长径、腹围、应用线性回归方程求出各指标与胎儿体重的关系。
Methods Measure the depth of the soft tissue in the back neck of fetus, Biparietal diameter(BPD) , femur length(FL) and abdominal circumference(AC), and apply linear regression equation.
方法超声测量胎儿颈后软组织厚度、双顶颈、股骨长径、腹围、应用线性回归方程求出各指标与胎儿体重的关系。
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