selective cutting 中文意思是什麼

selective cutting 解釋
選擇砍伐
  • selective : adj. 1. 選擇的；挑選的；有選擇性的；淘汰的。2. 【無線電】選擇性的。adv. -ly
  • 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. Effects of selective cutting of different intensities on the tree layer structure and species diversity of evergreen broadleaved forest

    擇伐作業對常綠闊葉林喬木層樹種結構及物種多樣性的影響
  2. With consideration of the damage to forest soil, production costs, damage to residual stands, the model of optimal selective cutting was set up to find the harvesting policy which would maximize the expected net financial returns and minimize damage to forest soil

    以最大凈收益與對林地破壞最小為目標，綜合考慮了採伐作業對林地破壞、林木損傷、生產成本等因素，建立常綠闊葉林最優擇伐模型。
  3. By observing pinus khasya infected by bursaphelenchus xylophilus from the december to next january, the main appearance characters were summarized, and the main difference between pinus khasya and the other kind of the disease pines was find, and the appearance determinant standard and disposal suggestion in the selective cutting of the disease wood were brought forward

    摘要通過觀察思茅松在12月至翌年1月感染松材線蟲病的外部特徵，得出思茅松感病後的主要外部特徵和區別于其他松樹的感病特點，並提出擇伐感病思茅松時在外觀特徵上的判定標準和處理建議。
  4. The paper dealt with the optimal design problem of stock layout patterns of saw cutting blanking for rectangular pieces of a single size, proposed a kind of optimal layout method of rectangular pieces of a single size, pointed out the mathematical basis, selective conditions of the optimal solution and layout disposal of the particular solution

    摘要討論單一尺寸矩形件鋸切下料排樣方式的最優設計問題，提出一種單一尺寸矩形件優化排樣方法，給出這一排樣方法的數學依據、優化解的選擇條件和特殊解的排樣處理。
  5. A clinical observation on the treatment of acute high complex fistula - in - ano by using incision cutting setion drainage and selective suture

    切掛選擇縫合術治療急性期高位復雜性肛瘺臨床觀察
  6. A selective method of cutting plane in resolving i lp

    解整數線性規劃中選擇割平面的一個方法
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