rare cutting 中文意思是什麼

rare cutting 解釋
稀有切割反應
  • rare : adj 1 稀少的；（空氣等）稀薄的；（群島、星等）稀疏的。2 稀有的，珍奇的；極好的，珍貴的。3 〈口語...
  • cutting : n 1 切斷，切下；切片；【園藝】扦插，插條；〈英國〉剪裁，（報紙等的）剪輯；（寶石等的）加工，琢磨...
  1. Various methods such as seed collection, cutting, air - layering, etc, have been attempted to propagate rare plants

    人工繁殖以採集種子，插枝及高空壓條法繁殖稀有及瀕危植物。
  2. As its abundance is rare, it is very valuable. it appears in native usually as colourless precious stone, and is useful for cutting things and in jewellery. each atom in diamond is bonded to four others in a tetrahedral arrangement which gives the structure considerable intrinsic strength and hardness

    金剛石是非常罕有且珍貴的碳，在金剛石中，每個碳原子都以正四面體的排列方式與另外三個碳原子連接，因此破壞這種化學鍵需要極大的能量，因此金剛石十分堅硬，主要用作金屬及珠寶切割的用途。
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