beta line 中文意思是什麼
beta line
解釋
粒子線-
At sea, septentrional, by night the polestar, located at the point of intersection of the right line from beta to alpha in ursa major produced and divided externally at omega and the hypotenuse of the rightangled triangle formed by the line alpha omega so produced and the line alpha delta of ursa major
將大熊星座的「貝塔阿爾法」這一直線延長至星座外的「奧墨伽」 ，北極星便位於「阿爾法奧墨伽」這道外部區分線與大熊星座內的「阿爾法德爾塔」這一直線所形成的直角三角形斜邊的交點上340 。 -
Key components in the insulation line : high precision extrusion crosshead with automatic centring produced by swiss unitek, o. d. meter, centrifugal tester, h. f. spark tester, capacitance tester provided by uk beta co., frequency converter, temperature controller, plc and bearing from simens in germany and mitsubishi injapan
生產線選用的主要關鍵器件：擠出機頭採用瑞士unitek公司的高精度自動定心機頭；外徑測試、偏心測定、高頻火花、電容測試等均採用英國beta公司的高精度儀器；而且擠出機的變頻器、溫控器、 plc和軸承等均採用德國西門子公司和日本三菱公司的產品。 -
After getting the standard difference and beta index of after risks, it gets three measuring figures : shape performance index, treyner performance index and jesen performance index through establishing the after feature line model, and compared them. finally, combining with the present situation of investment fund in china, using the investment fund performance evaluation research at home and abroad as the reference, adopting indexes such shape, treyner, jesen, stock net selection rate and c value, it evaluates the performance of investment funds in china in four aspectsxomprehensive performance measurement of investment funds. stock selection capacity. market opportunity seizing capability and investment portfolio ; and mares a case analysis on the ten representative funds in china
最後，結合我國的投資基金的具體現狀，借鑒國內外同行對投資基金績效評估的研究，運用夏普業績指數、特雷諾指數、詹森業績指數、股票凈選擇率、 c值等指標，從投資基金的綜合業績度量、股票選擇能力、市場時機把握能力和投資組合分析四個方面對我國投資基金的績效進行了評估，並對在我國投資基金中有代表性的十隻基金進行了實證分析。
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