平行于穿孔卡短边的一行穿孔位置。
A line of punch positions parallel to the shorter edges of a punch card.
新设置的工作台能准确的调整穿孔位置。
有几个原因可以来解释为什么有时候会看不到阑尾,包括盲肠后的位置,正常阑尾,穿孔,和尖端周围发炎。
There are several reasons why the appendix may not be visualized, including retro-cecal location, normal appendix, perforation, and inflammation around the distal tip.
穿孔的数量和位置通常是不充分平行穿孔的关键。
The number and position of the perforations is usually not critical for full parallel perforations.
允许穿孔的数量和位置上有局限性。
There are limitations on the number and position of perforations allowed.
穿孔的位置,无论是对种植方案还是结构来说,总是有好处的。
The perforations are placed strategically and lead to a good result, both for the planting scheme and the structure.
根据观察结果,对导管分子穿孔板的演化及黄三七属植物的系统位置进行了分析。
The evolution of the perforation plates of the vessel elements and the systematic position of genus Souliea were discussed in the paper based on the present observation .
其特别之处在于采用灵活的抽芯机构解决了在同一位置脱螺纹和成型碰穿孔的复杂问题。
The specialty of the design is the flexible core-pulling structure that solved the difficult problem of unloading the screw thread and moulding the through hole at the same place.
本文尝试利用有限元法通过计算机模拟来研究穿孔板吸声结构的模态频率和布置位置。
This paper attempts to use finite element method through computer simulation to study the absorption characteristics of the perforated-panel absorbers.
本文尝试利用有限元法通过计算机模拟来研究穿孔板吸声结构的模态频率和布置位置。
This paper attempts to use finite element method through computer simulation to study the absorption characteristics of the perforated-panel absorbers.
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