1.  primitive line
2.  primitive streak
3.  axis cord

• 1. 原线: primitive streak
• 2. 原线圈: primary coil | bobina original
• 3. 病原线虫: plant parasitic nematode

更多释义

• 1.当拷贝或作轮廓线后，剪去原型或纸样上该线外侧部分，而保留原线迹。
  When a copy or contour line, cut the line pattern on the prototype or the outer part, while retaining the original stitch.
  dict.yoduao.com
• 2.块状原丝体的产生紧随其后，其次是茎丝体、绿线体和次生根丝体。
  The production of massive protonema immediately follows and then caulonema, chloronema and secondary rhizoides.
  dict.yoduao.com
• 3.当原系统保持联线时，所有系统与联线服务组之间、系统与指定的可用接管目标之间的通讯心跳必须同时失效。
  All heartbeat communication between the system with the online service group and the system designated as the potential takeover target must fail simultaneously while the original system stays online.
  dict.yoduao.com

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