weakly positive 中文意思是什麼
weakly positive
解釋
弱陽性-
We empirically test the return serial correlation of shanghai stock market under the vr ( variance ratio ) test framework. we suggest that the test results of index and individual stocks are consistent with the exist results. the index return is positive serial correlation and individual stocks returns are weakly negative serial correlation
2 .我們使用高頻交易數據，在方差比檢驗的框架下檢驗了上海證券市場收益率的序列相關性，我們發現在市場指數和個股樣本方面的檢驗結果與以往的研究結果存在一致性，即指數收益率存在正序列相關性，而個股收益率存在弱負序列相關性。 -
Based on the results, chapter 3 obtains the necessary and sufficient conditions of the positive line a - doubly diagonally dominant matrices being non - singular m - matrices, by means of the nature of the associated digraph of matrices irreducible and weakly irreducible matrices. the results obtained simplify the process of judgment, only making us to check the related quantity involved in the circuit of the associate digraph of matrices
第三章在已有結果的基礎上，藉助于矩陣的伴隨有向圖、不可約以及弱不可約矩陣的性質，得到了正線-雙對角占優矩陣為非奇異m -矩陣的充分必要條件，所獲結果簡化了判定過程，只需要對矩陣伴隨有向圖圈中所涉及到的相關量進行驗證即可。 -
According to the decoupling of type synthesis of mechanism and the relationship between control and error software compensation, the unsymmetrical 3 - dof translational weakly - coupled parallel mechanism for cmm was selected, the positive and negative solutions of mechanism position an error model were analyzed
根據機構型的解耦性與控制和誤差軟體補償的關系，選擇非對稱型三平移弱耦合併聯機構用於坐標測量機，分析了該機構位置的正反解，建立了誤差模型。
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