非運動季節 的英文怎麼說
中文拼音 [fēiyùndòngjìjié]
非運動季節
英文
off-season-
There is a period of soil contents range from ten to twenty five days over the humid discussed area in summer, and the period is not obvious at the discussed zone of close oasis desert area in summer and winter. ( 2 ) soil temperature exits several periodic variations of different depths ranging from six to twenty four days in heihe region, and nine to thirty days in gaize and shiquanhe region. it also shows that gradient of soil temperature affects on the soil content movement more greatly in summer. ( 3 ) the land surface temperature of yangtze river lower region is retrieved from noaa - ahvrr data
（ 2 ）根據土壤溫濕資料，採用功率譜分析、 pca分析等方法，分析了兩種典型下墊面土壤溫度的時空分佈特徵及其對土壤水分運動的影響，發現研究區土壤溫度除日和年變化周期外還存在6 30天的不同周期；下墊面的非均勻性及其季節變化及溫度梯度變化對土壤水分運動有很大影響，冬季溫度梯度變化對土壤含水量影響大於夏季溫度梯度對上壤含水量變化的影響，且溫度梯度與水分運動方向相反。First, we examine whether the momentum strategies and contrarian strategies can create significant profits under different formulation horizons and holding horizons, whether past factors ( market return, characteristic of individual stock ) can provide an important implication about the profits of momentum and contrarian strategies. second, we discuss the reasons for the significant profits of momentum or contrarian strategies, including seasonality, cross - sectional risk factors, time - varying risk premium, industry momentum, and stock underreaction, overreaction, and random walk. third, we discuss the link of time series predictability of stock returns and momentum profits, including stock underreation, overreaction, delayed reaction, and time - varying risk premium
研究目的有四：其一，探討中國股市執行慣性策略或反向策略的顯著獲利模式及與各狀態因子（市場及個股狀態）的關系；其二，全面分析中國股市慣性與反向效應之潛在成因，包括截面風險因素、季節因素、時變的風險溢價、行業慣性效應以及行為金融模型與conradandkaul （ 1998 ）的隨機遊走觀點之爭論；其三，構建非效率市場之股票價格運動方程，並基於此，規范地演進慣性效應之時序生成途徑，包括反應不足、過度反應、滯后反應以及風險溢價的時變性；其四，探討中國股市中投資者的特殊信息反應模式，並以此來解讀中國股市的中短期過度反應與反應不足的現象，以及個股間的超前一滯后關系的表現模式及形成機理。
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