查询词典 aft

The AFT of even functions is improved in this paper.

本文对偶函数的AFT进行了改进。

In this article, we discuss the problem that how to analysis survival data with the AFT model.

本次研究结合当今国际上有关方面的最新进展，主要从模型建立方面对AFT模型进行了一些论述。

The area after the aft peak bulkhead as aft body and over 0.4 length of ship in the middle as amidships, other areas are transitional regions.

在船尾防水隔板之后的区域称为船体的尾部，在船中部超过船体40%的长度的区域作为船体的中部，其他区域是过渡地区。

AFT was evaluated for this property on a dynameter test stand at a 15 ppm dose. Figure III presents the results of this evaluation.

AFT以在15ppm的剂量下在动力计的测试中评估这项性质，图3表明出这项评估的结果。

A small fore - and - aft sail hoisted ab aft the foremast and mainmast in a storm to keep a ship's bow to the wind.

斜桁纵帆升在前桅和主桅后面的小纵帆，在风暴中用来保持船头顶风

Animal studies included in the attached Material Safety Data Sheet showed AFT to be nonirritating to either abraded or intact skin and dust inhalation studies with mice failed to produce any fatalities at the maximum achievable concentration of 150 mg/m3 about 20 ppm in air.

1186页，列在附於本文的材料安全资料表中。动物研究显示，AFT 对於有伤口或完整的皮肤不具有刺激作用，而在老鼠的落尘吸入研究中，在最高可能达到的150mg/kg浓度(约为空气中含有 20 ppm)下，不产生致命性的情况。

The hydrated products and pore size distribution of high road fly ash cements were studied by means of XRD,DTA,Mercury porosimeter,etc.,The experiment results showed that C-S-H gel,AFt were the main hydrated products in high road fly ash cement,but the contents of Ca 2 were lower.

实验结果表明，公路粉煤灰水泥的主要水化产物是C -S -H凝胶、AFt及少量的Ca 2 。

Microstructure test shows that the concrete mixed with waste slag is mostly made up of spiculate AFt crystal and fabriform CSH. Moreover, the pores become smaller.

和微观结构检测表明，针状的Aft晶体和纤维状的CSH是掺废渣水泥石的主体，且其孔结构得到细化。

A wind- and motor-powered land vehicle with a fore-and-aft longitudinal axis comprising a body supported by wheels, at least one of said wheels fixed to rotate in a plane parallel to the fore-and-aft axis of said vehicle, an airfoil system comprised of two vertically extending airfoils rigidly mounted on said body in an arrangement having bilateral symmetry about a vertical plane through said fore-and-aft axis, said airfoil system providing a forward propelling force of said vehicle when the airfoil system is subjected to certain cross wind conditions, and self-contained motor propulsion means on said vehicle for providing acceleration from a stationary position and for propelling the vehicle either independently or in combination with propelling forces generated by wind action on said airfoil system, each airfoil having a plurality of airfoil sections telescopically fitted together, the lower airfoil section being rigidly mounted in fixed relationship to said body, said airfoil system including a retracting mechanism for lowering upper airfoil sections of said airfoil system when desired and for subsequently extending said airfoil system, said retracting mechanism including a plurality of linkages interconnecting said sections and an actuator means operatively connected between said body and to said linkages for lowering and extending each airfoil, and an intermediate airfoil extending between the upper sections of each of said airfoils so as to provide an inverted U-shaped airfoil.

风力和电动机驱动的陆地车辆与前列和尾部长轴组成的一个机构的支持，车轮，至少有一说，车轮固定在一个旋转平面平行的前列和前后轴的说，车辆，翼型系统组成的两个垂直扩展翼型硬性安装在说，机构在安排后，双边对称约一垂直面说，通过国内外和前后轴，表示翼型系统提供了一个向前推进的力量说，车辆时，翼型系统是受到某些横风条件下，和自我载电机推进的手段就表示，车辆提供加速从一个固定的立场和为推进车辆单独或结合，与推进力量所产生的风的行动表示翼型系统，每个机翼有一个多元化翼型第telescopically装在一起，较低的翼型节被硬性安装在固定的关系，说身体，说翼型系统包括一个撤消的机制，降低上翼型章节说，翼型系统时，理想的和其后再将说，翼型制度，说收回机制包括多元化的联系互连说，部分和一个致动器的手段手术之间的连接说，身体和说，联系降低，并延长每翼型，及一个中间翼型延长之间的路段上的每说翼型，以便提供一个倒U -形翼型。

AFT needs only O multiplications and has simple computational structure,so it is very suitable for VLSI design.

AFT的乘法量少，算法结构简单，非常适合VLSI设计，具有广泛的应用。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。