在螺纹材料、尺寸、载荷都相同的情况下，三角形螺纹牙所受的剪应力最小，断裂载荷也比梯形螺纹和矩形螺纹高。
In the same material, dimension and load circumstance, the cut stress of the triangle thread is smallest. Its rupture load is higher than the echelon and rectangle.
为了解不同的雷诺数和出流比情况下各种因素对压力损失系数的影响，对有侧流梯形扰流柱通道端壁的静压和压力损失系数进行了实验测量。
The effect of each parameter on distribution of static pressure and pressure loss coefficient are found out. Experiments have been carried out in trapezoidal duct with staggered pin fin arrays.
并通过算例比较证实，复合断面水力最佳断面的面积和水面宽度比梯形水力最佳断面的小。
It is shown that the optimal hydraulic section for compound canal has smaller section area and narrower breadth of water surface than trapezoidal canal by calculation and comparison.
利用计算机进行迭代计算，得到了梯形渠道深宽比与宽深比的求解表。
By means of iteration, a table is achieved for the solution of depth to width ratio and width to depth ratio of trapezoidal channels.
测体积组将鼠脑经TTC染色后，用计算机病理图象分析仪测量出梗死面积，根据梯形法则计算出梗死体积及梗死体积比。
The rat brains of the group measured volume were dyed with TTC and measured the area by computerized pathological image analyzer.
测体积组将鼠脑经TTC染色后，用计算机病理图象分析仪测量出梗死面积，根据梯形法则计算出梗死体积及梗死体积比。
The rat brains of the group measured volume were dyed with TTC and measured the area by computerized pathological image analyzer.
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