例句與造句

1. The related coefficient between pollen , seed setting density and 1000 - seed weight is 0 . 1242 , - 0 . 0686 and - 0 . 1293 , respectively , but it is not significant
   花粉粒大小、結(jié)實(shí)密度和千粒重之間的相關(guān)系數(shù)分別為0 . 1242 、 - 0 . 0686和0 . 1293 ，說(shuō)明它們之間有一定的相關(guān)性，但相關(guān)不顯著。
2. The variance of seed setting density and 1000 - seed weight of the different diploid seed plants is highly significant , but it is not significant in the different source of the same line
   不同品系的二倍體種株材料在結(jié)實(shí)密度和千粒重之間的差異性也分別達(dá)到0 . 01的極顯著水平，但同一材料的不同母根之間差異性是不顯著的。
3. Firstly , in this paper , we review the histories of xml and xml database , and all kinds of data models used widely now . then we review traditional access control policies and policies specially used on xml , and present a new expression method of access set on xml based on child tree of w3c data model . and we bring rbac model into xml database and present a new xml access model x - rbac . because the usage of data in databases has high frequency , we present an ids model based on access set density to logging the potential security threats . and then we introduce the design and implementation of a prototype of our native xml database nhx and its access control system . finally , we draw a conclusion for this paper and the future work
   本文首先回顧了xml及xml數(shù)據(jù)庫(kù)的歷史,并總結(jié)了目前廣泛使用的xml數(shù)據(jù)模型,在分析了各種傳統(tǒng)數(shù)據(jù)庫(kù)訪問(wèn)控制策略,以及xml的專有訪問(wèn)控制策略的優(yōu)缺點(diǎn)后,基于w3c的xml數(shù)據(jù)模型,提出了一種基于子樹(shù)的具有高彈性的便于實(shí)現(xiàn)的的訪問(wèn)區(qū)域表示法,并將rbac模型引入進(jìn)來(lái),提出了一種適用于xml數(shù)據(jù)庫(kù)的訪問(wèn)控制模型x - rbac ,同時(shí)為了區(qū)分xml數(shù)據(jù)庫(kù)訪問(wèn)中的合法訪問(wèn)和合理訪問(wèn),我們根據(jù)數(shù)據(jù)庫(kù)訪問(wèn)具有頻繁性這一特征,提出了一種基于區(qū)域訪問(wèn)密度的入侵檢測(cè)模型( ids ) ,以對(duì)隱藏在正常訪問(wèn)中的潛在安全威脅進(jìn)行報(bào)警和日志。
4. It's difficult to find setting density in a sentence. 用setting density造句挺難的