標準參考零級 的英文怎麼說

中文拼音 [biāozhǔnshēnkǎolíng]
標準參考零級 英文
standard reference zero for the callbration of
  • : Ⅰ名詞1 [書面語] (樹梢) treetop; the tip of a tree2 (枝節或表面) symptom; outside appearance; ...
  • : Ⅰ名詞1 (標準) standard; guideline; criterion; norm 2 (目標) aim; target Ⅱ動詞1 (依據; 依照)...
  • : 參構詞成分。
  • : Ⅰ動詞1 (考試; 考問) examine; give [take] an examination test or quiz 2 (檢查) check; inspect3...
  • : Ⅰ數詞1 (零數) zero2 (數的空位) zero sign (0); nought 3 (表示沒有數量;無) nil; nought 4 (...
  • : Ⅰ名詞1 (等級) level; rank; grade 2 (年級) any of the yearly divisions of a school course; gra...
  • 標準 : (衡量事物的準則; 榜樣; 規范) standard; criterion; benchmark; pip; rule; ètalon (衡器); merits
  1. Acoustics - reference zero for the calibration of audiometric equipment - reference equivalent threshold sound pressure levels for pure tones and insert earphones

    聲學.音響設備校正點.純音和插入式耳機用等效門限聲壓
  2. In the end of the paper, the development of the software is introduced and an example for floating - end heat exchanger design is given to show the usefulness of the system and the effect. the method presented in this paper makes use of database to save and manage the standard sizes data and makes use of drawing libraries to save and manager the parts and assembly drawings. the theory of fixed patterns with flexible sizes is used to generate the parts and assembly drawings

    文中提出的方法充分利用了數據庫技術對換熱器系列化尺寸數據進行有效的存儲與管理,利用圖庫對結構相同或相似的視圖進行分分類存儲與管理,利用「死圖活尺寸」的圖形生成原理快捷地生成各種型號浮頭式換熱器的部件圖和裝配圖,實現了浮頭式換熱器的輔助設計計算和自動繪圖的功能;所開發的軟體使得換熱器設計中許多實際問題得到圓滿解決,軟體開發方法具有通用性,對其它類型的換熱器輔助設計系統的開發有重要的價值,在該領域中將有良好的應用前景。
  3. Acoustics - reference zero for the calibration of audiometric equipment - reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 khz to 16 khz

    聲學.聽力測定設備校點.頻率范圍為8khz至16khz之間的純音用等效閾聲壓
  4. Through consulting the cutter standard graphics in the book of " dijet carbide tools, " the standard and improved cutter standard graphic database is established with database language. by the parametric design of cutter, the efficiency during the period of cutter design is increased greatly, the cutter movable cycle enlarged and the cutter service life extended. the selections of optimum cutter and cutting quantity for the spare parts with different materials, hardness, specifications and types are analyzed

    刀具圖形庫是基於autocad的環境下,實現車間一的針對刀具的圖形管理系統,通過《黛傑硬質合金切削刀具》書中的刀具圖形,運用了數據庫語言建立了的、比較完善的刀具圖形數據庫,並對刀具進行了數化設計,大大提高了刀具設計過程中的效率,加大了對刀具的活動循環,延長了刀具的使用壽命,對不同材質、硬度、規格型號的件如何選擇最佳的刀具以及切削用量的選擇做了分析。
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