未知數 的英文怎麼說

中文拼音 [wèizhīshǔ]
未知數 英文
1. [數學] unknown number2. （不確定） unknown; uncertain
  • 未 : Ⅰ副詞1 （沒） did not; have not 2 （不） not Ⅱ名詞1 （地支的第八位） the eighth of the twelve ear...
  • 知 : Ⅰ動詞1 （知道） know; realize; be aware of 2 （使知道） inform; notify; tell 3 （舊指主管） admin...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 未知 : unknown
  1. Johnson, 43, is said to want to play closer to his arizona home, and the yankees would not mind shedding his $ 16 million salary for next season and the uncertainty he would take to the mound caused by his age and his balky back

    老怪今年43歲，據說他想要在亞利桑那的家附近打球，而洋基也不介意在下一季省下他那1600萬美元的薪資，並且因為年齡和背部痼疾，使得他能否站上投手丘還是個未知數。
  2. Especially, the unknowns of the algebraic equations about 3 - dimensional problems increase as geometrical progression compared with 2 - dimensiond problems. so development of computers can not meet their needs

    特別地，三維問題最終產生的代數方程組未知數的個數與二維問題相比，將按幾何級數急劇增加，即使計算機技術飛速發展，也難以滿足它們的需求。
  3. The main error patterns in one - step word problems were " posing the adder and subtract problems " and " posing unknown number as known number "

    五、單步驟題型擬題錯誤類型主要為： 1 .擬出加減之題目； 2 .將未知數當作已知數加以擬題。
  4. Amid the unknowns, the nearest thing to a certainty was that the war would end as messily as it began, with no clear win for either side

    在這些未知數中，最確定的一件事情就是同其開端一樣，這場戰爭將結束於一團混亂之中，沒有一方能明顯獲勝。
  5. Since the function is cubic, four nodal quantities are required to define the distribution on a side.

    因為函數是三次的，所以需要4個結點未知數確定每邊的分佈。
  6. The thrill of the unknown could not be recaptured.

    未知數引起的激動情緒是不可能再有了。
  7. If we wish to check the structure for a significant number of hypotheses， the use of a small computer facilitates the extensive summation processes.

    如果要計算未知數很多的結構，使用小型計算機能使大量求和過程更簡便。
  8. Any flight test and wind tunnel correlation always suffers from a great number of unknowns.

    在對飛行試驗與風洞試驗進行比較時總有大量的未知數。
  9. Then use the finite element method to analyse the dielectric loaded resonant cavity, and get the generalized eigenvalue equation ax = k02bx, in matrix b includes the unknown r

    然後採用有限元分析的方法來分析介質加載諧振腔，並得到待求廣義特徵方程ax = k02bx ，其中b中含有未知數r 。
  10. Classification is to predict the class label of unknown data with supervisor obtained from experiential data, which is a basic problem in pattern recognitionx machine learning and statistics, as well as in data mining

    分類即通過由經驗數據訓練得到的分類器預測未知數據的歸屬，是模式識別、機器學習、統計分析等領域的一個基本問題，也是一種最常見的數據挖掘任務。
  11. What authority they do answer to remains a mystery

    而這些獸人是為誰效命仍是個未知數。
  12. It 's still uncertain whether the college spring sports will be held this year.

    學院今年的春運會是否開還是個未知數。
  13. The unknowns in the above equation are referred to the local numbering system.

    上述方程中，未知數是屬于局部編號系統的。
  14. The unknowns in the equations are the values of the dependent variables at the node.

    方程中的未知數是結點上因變量的值。
  15. We could attempt to get around this difficulty by initially assigning the arbitrary value to another of the unknowns rather than to xn.

    開頭對另一個而不是Xn的未知數指定為任意常數，能試圖避免這個困難。
  16. The reader of these pages in future years should realise how dense and baffling is the veil of the unknown.

    在未來的歲月里，讀者在讀到這些章節時，可能感到那掩蔽著未知數的帷幕是多麼嚴密和多麼令人困惑。
  17. A : the advertisement is still a wild card

    這個廣告的成功與否還是個未知數。
  18. Team needs to be in its best shape, but now we missed wangzhizhi, who is very important player too, and nobody knows how it will be with him

    而王治郅作為我們非常重要的一個球員也受傷了，他是否能上場還是未知數。
  19. By means of the measuring the natural frequencies of a beam on a elastic foundation together with the transfer matrix method and the computer algebraic language ， the paper deduces the high - order equation ， which contains unknown quantity of the stiffiness of supports. this method ， the validity of which has feen verified by experiments ， can be applied to identifying the foundation coefficient

    本文通過實測彈性地基梁的固有頻率，以傳遞矩陣法為基礎，利用計算機代數語言，導出以支承剛度為未知數的高次方程，從而識別出地基系數，並通過實驗驗證該方法的正確性。
  20. A new method for blind separation of sparse sources with unknown source number

    未知數量稀疏源盲分離的一種新方法
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