松果體石 的英文怎麼說

中文拼音 [sōngguǒdàn]
松果體石 英文
tonus acervulus
  • : Ⅰ名詞1 (松樹) pine 2 (絨狀或碎末狀食品) dried meat floss; dried minced meat 3 (姓氏) a surn...
  • : Ⅰ名詞1 (果子) fruit 2 (事情的結局; 結果) result ; consequence 3 (姓氏) a surname Ⅱ動詞(吃...
  • : 體構詞成分。
  • : 石量詞(容量單位, 十斗為一石) dan, a unit of dry measure for grain (= l00 sheng)
  • 松果 : pinecone
  1. The main factors have been determined to be the depth and width of hole, the strength of surrounding rock, the types of detonator, the decoupling coefficient, burden and unit consumption form what has been discussed, the author make use of those major factors as standard of affection and studied bp neural networks " work principle, structure and defectiveness. a model of modified bp neural networks has been used to built model in order to identify selection and optimize of blasting in rock anchor beam. triumphant parameter design of blasting were selected as a example, in order to perform network of parameter design

    確定以炸藥類型、最小抵抗線、孔深、炮眼間距、不耦合系數、線裝藥量、巖強度和巖完整度為主要影響因素;把改進的bp演算法應用在爆破參數優化設計中,建立以炸藥類型、最小抵抗線、炮孔深度、炮眼間距、線裝藥量、不耦合系數、巖強度和巖完整度為主要影響指標,選擇45例國內外成功的爆破參數設計實例為樣本,利用bp神經網路進行爆破參數優化設計,並通過現場保護層和巖臺修面爆破試驗以及對其動圈范圍進行聲波測試,其測試結最優的爆破方案其動圈最小,這與神經網路進行參數優化設計的爆破方案相吻合。
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