point groups 中文意思是什麼

point groups 解釋
點群組
  • point : n 1 尖頭,尖端;尖頭器具;〈美國〉筆尖;接種針,雕刻針,編織針;小岬,小地角;【拳擊】下巴。2 【...
  • groups : 六人(集體)
  1. The first instinct of india ' s prime minister, manmohan singh, was to call for calm and restraint, rather than to point an accusatory finger at pakistan for sheltering the jihadi groups who, by common reckoning, are the most likely people to have perpetrated the outrage

    印度總理辛格對此事的第一反應並非是指責巴基斯坦庇護吉哈德組織(公眾認為,該組織最有可能製造了暴行) ,而是呼籲大家保持冷靜和克制。
  2. The tra notes our " expectation that the future of taiwan will be determined by peaceful means. " the depth and firmness of our resolve on this point was demonstrated in march 1996 when president clinton ordered two u. s. carrier battle groups to the waters near taiwan

    最常見的難題是在履行合約時經常且無理的更換訂單。當外商營建公司不願承擔在原來同意的價款以內大幅增加的成本時,保證金便被沒收,合約也被取消。
  3. This paper deriving the theory work inflection point in the static stage characteristics curve of small measurement range linear dimension measurement. by the way of high pressure and back pressure pneumatic measure and designed the parameter of the mainly and measure spray head, which are the key component in the spray head - baffle pneumatic sensor. the different groups for the main - spray head and the measure spray head, will effect the dynamic and static stage characteristic parameter. the author have done contrast experiment and optimization design to test and verify the theory derivation whereby made the rang of show valve of pneumatic measure system measure range up to 40 u m, the sensitivity up to 100mv / u m, resolution up to 0. 05 p m, the uncertainly of measure is less than 0. o2 u m, satisfaction of requirement of groups the carboy hatch thickness size precise measure of soft shims

    對高壓背壓式氣動測量用於小量程線性尺寸測量的靜態特性曲線的理論工作拐點進行了推導,對氣動測量系統中的噴嘴-擋板型氣動傳感器中的關鍵部件? ?主噴嘴和測量噴嘴的參數進行了理論設計,對主噴嘴和測量噴嘴的不同組合,將影響測量系統靜、動態特性指標的噴嘴參數進行了對比實驗和優化設計,並通過實驗驗證了理論推導,從而使氣動測量系統量程的示值范圍達到40 m ,靈敏度達到100mv m ,解析度達到0 . 05 m ,測量不確定度小於0 . 2 m ,滿足了壓縮機缸蓋軟體墊片厚度尺寸精密測量分組的要求。
  4. Group theory for carbon nanotubes and a series of novel point groups

    碳納米管中的群論及一系列新點群
  5. Over time the groups diverge to the point that they can no longer interbreed if they are later brought together

    過了一段時間之後,兩群累積的遺傳差異達到了即使相遇也無法混血的程度。
  6. The metaphase plate would thus be the null point between two equal but oppositely directed and acting groups of kinetochore tubules.

    中期板大概是兩個相等而方向相反的放射狀著絲點微管群之間的平衡點。
  7. Symmetry and matrix representation of octagonal point groups in quasicrystal

    準晶體中八方晶系點群的對稱性與矩陣表示
  8. According to their space position, the seismic features of shallow gas in this region can be divided into three groups : ( 1 ) features in the stratum : acoustic blanket, acoustic curtains, acoustic turbidity, irregular strong top reflection boundary, and phase pull - down in both flanks ; ( 2 ) features of the seabed : seabed pockmark and giant sunken pit ; ( 3 ) features in the seawater column : acoustic plumes, cloudy turbidity and point - line - type reflection

    該區的淺層氣地震特徵按空間位置分為3大類: ( 1 )地層中的特徵:聲學空白、聲學幕、聲學擾動、不規則強反射頂界面、兩側相位下拉; ( 2 )海底面的特徵:海底麻坑、大型塌陷坑; ( 3 )海水層中的特徵:聲學羽流、雲狀擾動、點劃線反射。
  9. The cambrian period, about 544 million years ago, marks an important point in the history of life on earth ; it is the time when most of the major groups of animals first appear in the fossil record

    寒武紀期間,大約544百萬年前,標記每重要點在生活的歷史上在地球上;這是時候當大多主要小組動物首先出現在化石紀錄。
  10. In this article, we use idea of turning dispersion into convergence and put all the well ' s points into the same unit net to think about it. and answer three questions of the distribution of well drilling by the way of searching for groups of points. fincite - step - searching underthe condition of translationg fcoordinate system or revolving coordinate system. to first question. we find two algo - rithms and make use of data that is given to find the solution. we seek coorlinate of net point is co. 361, 0. 461 ) and mostly four old well ' s points are utilized at the same time by first algorithim, which are no. 2, no, 4, no. 5, no. 10. by second algorithm, we rechon the coordinate of net point is co. 390, 0. 505 ). and that mostly four old well ' s points are utilizld which are no. 2, no. 4, no. 10. to second question, we turn it into the first question by angling awt the center of net point. we seek that mostly six old well ' s points are utilized at the same time, which are no. 1, no. 6, no. 7, no. 8, no. 9, no. 11, when net is angled 0. 78 radian. and net point is translated to ( 0. 75, 0. 076 ) ( at nwe coordinate system ). to third question, wefind a necessary and sufficient condition and affer algorithms, at last, we analyse algorithms

    運用化分散為集中的思想,把所有的井點都放在同一個單位網格內考慮.在坐標可平移、旋轉的條件下,利用尋找點群、有限步驟搜索法,對鉆井布局的三個問題進行了解答.對問題一,給出了兩個不同演算法.並對題目提供的數據進行了求解,演算法1得到的結點為( 0 . 361 , 0 . 461 ) ,最多有4個舊井點被同時利用,它們是第2 、 4 、 5 、 10個井點;演算法2得到的結點為( 0 . 390 , 0 . 505 ) ,最多有4個井點被利用,它們是第2 、 4 、 5 、 10個井點.對問題二,以結點為中心旋轉一定的角度后,歸結為問題一進行求解,求解結果為當網格傾斜角為0 . 78弧度(相對原坐標系) ,結點平移到( 0 . 75 , 0 . 076 )點(在新坐標系下) ,可被同時利用的最多舊井點為6個,它們是第1 、 6 、 7 、 8 、 9 、 11個井點,對問題三,我們給出了充要條件,並給出了演算法.最後還分析了演算法的優劣性
  11. Depended on the groups " powerful stength background, to establish king art " s ceramics high jumping - off point orientaion. the style force which is synchronnous with the international and the advanced production line, which had composed king art " s abundant software and hardware resource, but the refined material selacting and manufacturing process, to make sure of each king art " s ceramics products owning double leading superiorities on quality and style

    以集團企業雄厚實力背景為依託,奠定金歐雅陶瓷高起點定位.與世界同步的頂尖生產線與設計力量,構成金歐雅充足的軟硬體資源,而精細化選料與製造過程,確保每一塊金歐雅陶瓷產品,都具備品質與樣式的雙重領先優勢
  12. Based on this fact, using the theory of system engineering, on the background of the formation and preparation, of hebeidaily newspaper groups, this article, from the point of view of the operation control development, technology development, and human resources development strategy, will discuss how to develop the newspaper groups with business character, thereby providing some theoretical basis to the future development of hebeidaily newspaper groups

    本文根據這個事實,以報業集團的產生和河北日報報業集團的組建為背景,對河北日報報業集團的組織構成和運行模式做了可操作性的研究,並從經營管理發展戰略,技術發展戰略,人力資源發展戰略的角度,用系統工程理論對帶有企業性質的報業集團該如何發展進行了探討,為河北日報報業集團今後的發展提供了一些理論依據。
  13. It is independently adjusted on the right and the left patent no36247. the rotary point of pincers base plate is located at the point between the first and second pincers. the curve in between will be changed when the groups of right and left pincers are adjusted, which will keep the uppers more attached to the lasts

    18 .爪盤大小可快速調整結構爪盤採用雙軌跡結構,左右分開獨立位移調整專利第新型36247號其旋轉原點則不受空間限制,設定於中爪及第二爪之銜接處,故左右爪組于快速調整大小時,和中爪之弧型位置,絕不會改變,可使鞋面于夾緊時更貼楦頭,確保結幫品質。
  14. That is the point, environmental groups say

    環保組織認為,這才說到點子上了。
  15. At that point, both groups were tested for hbv in their blood ; in the adefovir group, only 22 percent reached a target reduction in hbv 1000 copies ml versus nearly half 49 percent of the telbivudine group

    研究發現,在服用阿德?偉的組別,只有22 %的患者能夠減低乙型肝炎病毒達每毫升血液1000份病毒;相反,在替比夫定組別,則只有49 %能減低乙型肝炎病毒。
  16. It ' s a general method to construct the symmetry adapted bases of point groups. it has the advantage that the algebraic solutions of point groups can be obtained and the solutions are independent of representation space

    它是尋找點群不可約表示的一般方法,不依賴于具體的表示空間,可以得到點群表示的代數解,特別適用於構造分子的對稱基。
  17. Seventeen plain groups, which were associated with 2d braided geometry of composites, were deduced from the combination of ten plain point groups and five plain dot lattices

    摘要由10個平面點群與5個平面點陣組合,推導出與二維編織復合材料幾何結構有密切關系的17個平面群。
  18. In this paper, a discussion of construction of the knowledge base by the relational model is presented. we analyze the knowledge into groups, each one called a knowledge point. then, use rm to organize the knowledge points to form two databases ; one is called the attribute database, and the other called linkage database

    同時教學系統還必需具有大量多媒體數據的管理能力,學科知識庫與教學材料庫結合也是一個重要問題。本文使用關系模型討論建立學科知識庫的方法。首先把學科知識分解為知識點,用關系模型來組織知識點,形成知識點屬性庫和鏈接庫。
  19. The sbr method to construct the symmetric bases of point groups is efficient and concise

    採用sbr方法去構造對稱基,非常簡潔且高效。
  20. So it is very suitable to construct the symmetry bases of point groups of molecules. in this paper we studied the spectra of g6h6 and c6d6 and the intensities of infrared and raman transitions, by combining the algebraic model with the sbr technique. a great agreement between observations and calculations was obtained

    本文就是將iachello ? oss ( 10 )的分子代數模型與陳金全等人的sbr方法結合起來,用以研究c _ 6h _ 6及c _ 6d _ 6分子的能譜、紅外躍遷強度以及raman躍遷強度,並得到了很好的結果。
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