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汉语拼音：píng duān

1.平正，端正。

1. 平正，端正。

   汉 贾谊 《新书·等齐》：“事诸侯王或不廉洁平端，以事皇帝之法罪之。”《后汉书·宦者传论》：“亦有忠厚平端，怀术纠邪；或敏才给对，饰巧乱实；或借誉贞良，先时荐誉。” 唐 柳宗元 《斩曲几文》：“亘为栋楹，齐为閫閾，外隅平端，中室谨飭。”

• Directional cloning vectors contain a single-strand overhang on the 5' end and a blunt end on the 3' end.

  定向克隆载体包含一条单链：带有突出端的5’端和带有平端的3’端。

• Specification for Plain End Seamless and Electric-Resistance-Welded Steel Pipe for High-Pressure Pipe-Type Cable Circuits

  高压管型电缆线路用平端无缝与电阻焊钢管规范

• Glass Pipe straight flat end of butt ends meet operational procedures

  玻璃钢管道直管平端对接糊口操作规程

• Plain End Manufacturer Threaded and Manufacturer Manufacturer Pup Joints of Casing or Tubing

  平端套管或油管制造厂

• Rotation Capacity of Semi-rigid Composite Beam-to-column Joints with Flush Endplate Connections

  平端板连接半刚性梁柱组合节点的转动能力

• Optimal Design of Finite Element Method for Combination Concave Die of Cool Extruding Level End Face

  冷挤压平端面组合凹模有限元优化设计

• Plain end steel tubes, welded and seamless; general tables of dimensions and masses per unit length

  焊接和无缝平端钢管.管的尺寸和单位长度重量的一览表

• Research of the Behavior of Flush End-Plate Composite Connections

  平端板连接组合节点性能研究

• Testing of asphalt; indentation testing using a flat-ended indentor pin

  沥青的试验。使用平端压头针的压印试验