樣模選擇重組 的英文怎麼說

中文拼音 [yàngxuǎnzháizhòng]
樣模選擇重組 英文
copy choice recombination
  • : Ⅰ名詞1. (形狀) appearance; shape 2. (樣品) sample; model; pattern Ⅱ量詞(表示事物的種類) kind; type
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • : Ⅰ動詞1. (挑選) select; choose; pick 2. (選舉) elect Ⅱ名詞(挑選出來編在一起的作品) selections; anthology
  • : 擇動詞(挑選) select; pick; choose
  • : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
  • : Ⅰ名詞1 (由不多的人員組成的單位) group 2 (姓氏) a surname Ⅱ動詞(組織) organize; form Ⅲ量詞(...
  • 選擇 : select; choose; opt; election; choice; culling; alternative
  • 重組 : bpr
  1. The method proposed in this thesis do well in solving the problems of multi - damping - ratio - spectra simulation. it is convenient to obtain the pareto optimal solution set of the multi - object question by using implicit parallel genetic algorithms and the method can meet the practical needs for simulating ground motions coinciding with multi - damping - ratio - spectra in seismic design. the crossing rate and variance rate are important parameters of genetic algorithms which affect the rate of convergence, the adapting rate of cross and variation in this paper can auto - adapt and according to stand or fall of current sample, it assures the sample approach to the pareto optimal solution set in fast convergent speed

    較好地解決多阻尼比反應譜擬合問題;本文方法通過一次運行就能獲得一具有集系特性的地震動,在擬合多阻尼比反應譜的人造地震波集系的擬方面有傳統方法所不能比擬的優勢,產生的人造波或人造波集系可滿足工程抗震設計需要;在遺傳演算法中,交叉概率和變異概率是影響收斂速度的要參數,本文採用的改進自適應交叉概率和變異概率,可以根據當前本的好壞程度來自動地適當的交叉概率和變異概率,以保證演算法始終以較好的速度向pareto最優解集逼近。
  2. Using the net assets per capital, the investment return rate, the t - m model, the h - m model, the single factor evaluating model which consists of the treynor index, the jensen index, the sharpe index and the square m index, we evaluate the performance of the twelve mutual funds. and we come to the following conclusions : ( 1 ) after the modification of the risk factor, our mutual funds in the recent one year outguess the market ; ( 2 ) better performance comes from the aid of the government, the improvement of the investment environment and the hard, smart work of the managers especially in the way of selecting some securities in the capital market. ( 3 ) though we make progress, there are still many problems which prevent the further development of our mutual funds such as the devise of the management fee and the characteristics of different funds, all of them divided into the subjective ones and the objective ones

    通過使用投資基金單位凈資產和投資收益率指標、單因素整體績效評估型,包括treynor指數、 jensen指數、 sharpe指數和業績的m ~ 2測度以及t - m 、 h - m型對12隻本基金進行實證研究,實證研究表明: ( 1 )經過風險調整后,在最近的一年中,我國證券投資基金的業績總體上優於市場基準合; ( 2 )基金業績的提高得益於管理層的視、投資環境的改善和基金經理的經營,而基金經理的良好業績是通過一定的證券來獲得的; ( 3 )已成為證券市場上舉足輕力量的基金在發展過程中雖然取得了一定的成績但其進一步發展還面臨著許多問題,有主觀存在的諸如管理費率的設定、基金風格方面的問題等等,也有客觀存在的諸如證券市場現階段的不完善等等,所以,我們應該抓住《證券投資基金法》問世帶給基金業發展的契機,大力促進證券投資基金規范發展,採取各種措施做大、做優和做強基金業。
  3. Ttis paper sms the recen research results in the topic, maks a briefly descripon of the foral risks, then researthes on the mechanism to cause them, introduces way to assess the level of anancial risk. based on it, this paper finds out the main finaniai ratios to influeoce risk through survtw, and bulld the financial riskleve forecasting model by the method of two group ofdiscdrinate analysis. ih the research, 60 listed compedes are selected as our statstical analsis samples and cataloged into two groups, which has 30 samples, one is company which is no specially wdopn st ) the othe is on the cotw ( st )

    本文對已有研究成果進行了總結回顧,接著從我國上市公司財務風險的現狀分析入手,揭示了上市公司總體財務風險的水平,並從多方面具體分析了上市公司財務風險的成因,然後介紹了財務風險評估的幾種常用方法;在此基礎上,採用問卷調查法確定了財務風險預警指標體系后,滬深兩市60家上市公司作為估計本(其中30家為st公司, 30家為非st公司) ,運用兩判別分析法建立了上市公司財務風險預警型,再了20家上市公司作為測試本,來測試已建立型的效果;對ykf公司的財務風險進行綜合分析,其結論與運用建立的預警型的測試結果相吻合,故對其發出了財務風險預警;最後,針對我國上市公司的實際情況,從完善公司治理機制、塑社會信用體系等方面提出防範公司財務風險的對策和建議。
  4. . in the same way, enterprise should accord to economic capacity and direction of development, to choose the model of adaptive cooperative organization, according to current situation of dairy industry development, to construct raw milk production and dairy processing integration cooperative organization repeatly, . on this base, making policy recommendations to support developing cooperative organization, making the whole dairy industry stably development

    ,企業應該根據自身經濟實力和發展定位,與原奶生產織相適宜的協作式,根據目前奶業區域發展的現實狀況,構了原奶生產、加工的合同制和縱向一體化協作式。在此基礎上,提出支持發展協作式的對策建議,從而促進奶產業整體的穩定發展。
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