vector n. 1.【数学】向量,矢量,动径。 2.【航空】飞机航线;航向指示。 3.【天文学】幅,矢径。 4.【生物学】带菌者[体],传病媒介。 vt. 【航空】(对飞行中的飞机)指示航向。 vi. 【航空】电(磁)波导航。
distribution n. 1.分配,分发,配给;分配装置[系统];配给品;配给量;【经济学】配给方法,配给过程;分红;【法律】(无遗嘱死亡者的)财产分配。 2.分布,配置,分布状态;【生物学】(生物的)分布范围;【无线电】频率分布。 3.分类,整理,区分。 4.【电学】配电;【机械工程】配汽;【印刷】拆版;【逻辑学】周延(性)。 5.销售。 the distribution of wealth 财富的分配。 the accurate distribution of zoological specimens 动物品种的精确分类。 live on charitable distributions alone 完全依靠配给救济品生活。 the distribution of coniferous forests 针叶林的分布范围。 the distribution of troops 部队配置。 The distribution of our school paper is now 3000. 我们校刊的发行量现在是3000份。 We have a good harvest but our distribution is bad. 我们丰收了,但是产品卖不出去。
Investigation on the vector distribution of dengue fever in urban district of xiamen 厦门市区登革热病媒分布调查
In addition , in order to guarantee the smoothness of weight vector distribution in output space , mfknn2 method is introduced a smooth factor in the modification of connective weight coefficient between neuron 同时对mfknn2中神经网络的权值修改还引进一个平滑因子,以保证权矢量在输出空间分布的平滑性。
In this paper a kind of cardio - cerebral arterial bifurcation vessel hemodynamic characteristics are studied with the boundary element method , and the blood flowing velocity vector distributions have been calculated . in addition , the flow field distribution and the pressure on the particle surface are also calculated , when there is flow - round particle at the place of bifurcation , the move tendency of the particle is judged , the possible reasons of causing the atherosclerosis , thrombus , angioma are analysed 本文用边界元方法研究了一类典型心脑动脉分支血管中血液流动的流体动力特性,计算了分支血管血液流动的速度矢量分布,同时计算了分支附近有多个颗粒状绕流物时血液的流场分布,及颗粒物所受压力状况,给出了颗粒物的运动趋势,分析了引起粥样斑块病变、血瘤、血栓的可能原因