查询词典 F

Introduces the Julia set's definiens of Newton iteration function. With the aid of computer and the theory method ,this paper discusses the Newton iteration function's Julia set and Julia set's fractal structure of polynomial f=z 4-1 on complex plane , and also shows the Julia set's graph.

介绍了复平面上Newton迭代函数的Julia集的定义，借助计算机迭代制图及理论方法讨论了复平面上4次复多项式f＝z4－1的Newton迭代函数的Julia集及Julia集的分形结构，给出了其Julia集的分形图形。

The definite integral of f from a to b.

f从a到b的定积分。

The river patterns of the study area were analyzed by the latest channel pattern discrimination in the last glacial maximum and deglaciation of the Late Pleistocene. The hydrology, sediment, environment parameters of the ancient channel in the study area, width-depth ratio F =22.22, suspended sediment concentration M =10.10%, channel curvature P =1.52, meander wavelength L =

然后应用最新河型判别方法，分析判别晚更新世末次盛冰期和冰消期研究区埋藏古河道的河流类型为辫状型；并分析得到研究区古河道的宽深比（ F ＝22.22）、悬移质含量（ M ＝10.10％）、河道弯曲率（ P ＝1.52）、河曲波长（ L ＝1 647 m）等古水文泥沙环境参数分类指标。

Dynamic derivatives of a 60° delta wing and F-18 aircraft model are calculated by this method, and then the effects of the amplitude,the frequency and the change of angle of attack on the dynamic derivatives are studied.

对60°三角翼和F-18飞机模型进行动导数仿真计算，研究了不同振幅、频率及迎角变化对动导数的影响。

They have gone to ground in their dens .to keep at bay the modern worldGeorge F.

他们走到隔绝处…以便在现实世界中给自己保留一个立身之所乔治F。

In this study, 259 F(subscript 2:3) lines, developed from a cross between a dent corn inbred Dan232 and a popcorn inbred N04, were grown in a replicated experiment and evaluated for three popping characteristics. Of 613 simple sequence repeat primer pairs screened, 183 pairs were selected to construct a genetic linkage map 1762.2cM long with an average interval of 9.63cM.

本研究以普通玉米自交系丹232和爆裂玉米自交系N04杂交构建的259个F(下标 2：3)家系为定位群体，采用完全随机区组设计在郑州夏播条件下测定了3个膨爆特性指标。

A significant F statistic means that the relationship between the dependent variable and the combination of independent variables is significant.

一个有效的F值表示自变量和相关的因变量之间的关系越明显。

Objectives: To study the offcts of the polymerization and depolymerization of intracellular F-actin on cancer cellular morphology, migration and invasion.

目的：为探讨癌细胞内F-actin的解聚与聚合对癌细胞的形态、迁移、侵入的影响。

Results: radiation-induced depolymerization of F-actin microfilament stress fibres was dependent on the radiation dose.

电离辐射对血管内皮细胞骨架蛋白F-actin的破坏可能是血管内皮细胞辐射损伤机体机理之一。

The depth of a field or method f declared in T is zero.

一个在T里声明的域或者方法f的深度是0。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷