延拓用英语怎么说

延拓的英文：
continuation

• And to act as extension to the tunnel when results are required at Mach numbers beyond the tunnel limits.
  以及需要在超出风洞马赫数极限的情况下获得试验结果时，用来作为风洞的延拓。

• Denseness is not continuity.
  稠密性不是连续性。
• Land will continue to appreciate.
  土地将继续增值。
• A merry heart has a continual feast.
  一颗愉快的心会享受到接连不断的节日。
• The prodigal handouts should continue.
  这些慷慨的施舍必须继续下去。
• I continued to quiz him.
  我继续问他。