SED：小端直径

“Small End Diameter”在商业及产品相关领域中常被缩写为SED，以便于书写和使用。该术语的中文对应翻译为“小端直径”，用于描述特定部件或产品的末端较小一端的直径尺寸。这种标准化表达有助于提升专业文档和工程沟通的效率和准确性。

Then theoretical resonance length, small end diameter, displacement node, magnification factor, shape factor and other parameters of the amplitude amplifier pole could be determined.
确定出其理论共振长度、小端直径(SED)、位移节点、放大系数、形状因数等参数。
For export grades, small end diameter is measured at the wharf under the Japanese Agricultural Standard ( JAS ) convention, ie, rounded down to the nearest even two-centimetre interval.
对于出口等级，小头直径按照日本农业标准惯例在码头测量，结果采取四舍五入为最接近的偶数。
In addition, the sale of plywood timber was according to average small end diameter of log, this method lacked examination and standard, so it was not adequately show the suitable use of wood.
另外，胶合板材以单段原木平均小头直径分级销售，缺乏检尺和分级标准，木材的合理使用未得到充分体现。
The main cause of too small flanged hole end diameter on parts of the Audi car has been found by analysis to be thinning of blank material and rebound.
对奥迪轿车零件翻孔端部直径偏小的分析结果表明，其主要原因是材料变薄及回弹所致。

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