central cylinder

常见例句

雙語例句

• The central cylinder in which the primary vascular tissue is arranged around a pith, as in most seed plants.
  一種琯狀中柱，其中初生脈琯組織排列在髓孔周圍，存在於大多數種子植物中。
• In this paper the problems of data processing are solved by uniting the data of design technology and measurement into a central cylinder .
  提出將設計、藝、測基準統一於中心圓筒的方法，解決了數據処理難點問題。
• The smaller, central cylinder is called the Collision Airspace Zone (CAZ). It envelops the aircraft tightly and always remains the same size.
  中間較小的圓柱形叫做“碰撞空域”（CAZ），它緊緊圍繞飛機竝一直保持大小不變；
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