零假說 的英文怎麼說
中文拼音 [língjiǎshuō]
零假說
英文
null hypothesis-
But the scrappy fossil record of early primates ? mostly teeth and isolated skeletal bones ? left researchers hard put to test these hypotheses
但是，早期靈長類的化石記錄（以牙齒和零散的骨骼居多）實在太少了，讓研究人員難以驗證這些假說。In order to explore the reason of bubbles, we need to analyse the behavior of investors, on the basis of bounded rationality, behavioral finance theories carry out a great deal of psychological experiments and psychological analysis. when the capital includes not only the physical but also the human capital, there are chances for labor productivity changes the trend of decreasing
由於p _ t是對p _ t的理性預期，希勒檢驗的零假設是p _ t的方差小於p _ t ，多數實證檢驗結果拒絕了該零假設，說明理性泡沫存在或者是有效市場假說不成立，但是也有許多學者對可靠性提出質疑。The viewpoints on the effect of retailers ’ buyer power are controversial. some believe that the retailers ’ buyer power can be a countervailing power over the suppliers to lower the wholesale prices and pass the savings to consumers only if there exist fringe competitions among the downstream. whereas others argue that the retailer market power may also have the anti - competition effect
理論界對零售商買方勢力的興起對市場競爭和社會福利的影響的觀點也存在爭議，部分學者通過引證「加爾布雷斯假說」 ，認為在零售行業只要存在邊緣競爭，則買方勢力就可以成為中和賣方壟斷勢力的抗衡勢力，從而增進社會福利。As a rule of thumb, the closer the swap price is to zero and the longer this phenomenon is manifested in the maturity period of the swaps, the higher is confidence in the linked exchange rate system
一般來說，掉期價愈接近零，便代表市場對聯系匯率制度的信心愈高假使這種價位亦見于較長期的掉期合約，其所反映的信心水平則更高。The new reliability design theory of multi - mode correlation machine parts is used to compute the strength reliability of cyclindrical gear, and the computed result is compared with the computed results using the independence suppose theory and weakness theory, thus, illustrating that the exactness and practicibility of the computed result using the new reliability design theory of multi - mode correlation machine
摘要利用多模相關機械零件可靠性設計新理論，對硬齒面的圓柱斜齒標準齒輪進行了強度可靠性設計計算，並將計算結果與獨立假設理論和薄弱環節理論的計算結果進行了比較，說明了多模相關機械零件可靠性設計新理論計算的精確性和實用性。This is not a restrictive assumption, since we can always use b0 to normalize e ( u ) to 0
上述推導說明我們總可以通過調整常數項來實現誤差項的均值為零，因此該假定的限制性不大分享友人