directional tool 中文意思是什麼

directional tool 解釋
定向鉆具
  • directional : adj. 1. 方向的。2. 【無線電】指向的，定向的。
  • tool : n 1 工具，用具，器具；【機械工程】刀具；工具母機 （＝machine tool）。2 爪牙，傀儡，走狗；〈美俚〉...
  1. Cooperate with omni - directional exquisite propaganda materials and is it sell tool, poster, lamp house, easy to draw roll, gift bag, car body advertisement, point - of - purchase advertising, etc. to helping strong

    配合全方位精美的宣傳資料和強大的助銷工具，海報燈箱易拉卷禮品袋車體廣告店面廣告等。
  2. For the sake of the convenient network simulation, i select a same framework in my mac and routine protocols " simulation, that is ieee802. 11 standard built in soft tool opnet, by designing my network node model and directional antenna model, and the improvement of the current protocols, i realizes the evaluation of my special networks

    為了方便網路協議性能模擬，使移動自組網的接入協議和路由協議能夠在同一個模板上實現，本文在模擬平臺opnet設計了ieee802 . 11框架下的移動自組網節點模型和定向天線模型等，並通過對現有協議的改進，實現了特定網路性能的計算機模擬。
  3. Associated with a practical example of pipeline crossing with directional drilling technique in yizheng - changling crude oil pipeline, this paper analyzes the characteristics of crossing through rocky stratum with directional drilling, deliberates the stratum status, drilling machine selection, drilling tool assembly, direction control, mud control ; drilling process as well as emergency dealing scenarios at the stages of guiding - hole drilling, aperture expanding and back - towing

    摘要結合儀征長嶺原油管道洪湖長江定向鉆穿越工程實例，分析了管道定向鉆穿越長距離巖石層的特點，論述了定向鉆穿越巖石層的地層狀況、鉆具組合、控向措施、泥漿控制、鉆進工藝以及導向孔鉆進、擴孔、回拖階段的應急預案，針對在鉆導向孔過程中因泥漿壓力高、信號線多次出現被高壓泥漿沖壞、造成控向信號不穩定甚至中斷的情況，對信號線的安裝提出了改進措施。
  4. The shanghai number permanent rj mold has made the limited companyto be established since 1996, established wicks ( wilkes ) the brandseries mold, passes through more than 10 years development, hasestablished the leading status in the national mold profession, unceasingly grows along with the company, we already become from thenumerical control knee bend mold to the numerical control ztcm and the plate cutter bit omni - directional numerical controlplate work processing equipment cutting tool mold supplier

    上海數恆刃具模具製造有限公司自1996年成立以來，創立了威克斯（ wilkes ）品牌系列模具，經過十多年的發展，已在全國模具行業確立了領先地位，隨著公司不斷成長，我們已經成為從數控折彎模具到數控轉塔沖模及剪板機刀片的全方位數控鈑金加工設備刀具模具的供應商。
  5. Dynamic causality diagram was first proposed by professor zhang qin in 1994, it is a mathematics tool combined with probability and graph theory, just like the belief network, its characteristic is to provide the method of uncertain knowledge representation and agility reasoning, it adopts nodes to represent random variables in the domain and directional edges between nodes to represent causal relationship between variables, linkage intensity to represent the strength of the link between these variables, it supports the forms of reasoning from cause to effect and from effect to cause and together

    動態因果圖由張勤教授1994年提出，它與信度網類似，是概率論與圖論結合的一種數學工具，其特點是提供不確定知識的表達和靈活的推理方法:用節點表示事件或變量，有向邊表示因果關系，並用連接強度來表示因果關系的強度，支持由原因到結果的正向推理方式和由結果到原因的反向推理方式以及正反向混合推理方式。
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