average n. 1.平均,平均数。 2.一般水平,平均标准。 3.【商业】海损;海损费用;(给领航的)报酬。 arithmetical [geometrical] average【数学】相加[相乘]平均数,算术[几何]平均数。 general [particular] average 共同[单独]海损。 petty [accustomed] averages (支付给领航、港口等的)小额[例行]酬劳费。 above [below] the average 平常以上[以下]。 on an [the] average 平均;一般说来。 take [strike] an average 平均起来,折衷,扯平算。 up to the average 合一般标准。 adj. 1.平均的。 2.普通的,一般的。 3.【商业】按海损估价的。 The average age of the boys here is ten. 这些孩子的平均年龄是十岁。 students of average intelligence 智力水平一般的学生。 vt. 1.平均,均分。 2.平均是。 I average six hours work a day. 我每天平均工作六小时。 If you average 4 and 6, you get 5. 4和6均分得5。 vi. 1.平均。 2.(为得到更有利的平均价格而)买进(或)卖出(更多的股票、货物等)。 average down [up] 以低于平均价格买进[以高于平均价格卖出]。 average out 1. 最终达到平衡。 2. 达到平均数,平均为 (to) (The gain averaged out to 30 percent 利润平均为百分之三十)。
on average 按平均数计算; 平均,一般而言; 平均,一般说来; 平均;通常;普通; 平均起来,一般说来; 通常
on the average 按平均值; 平均,一般说来; 平均而言,通常; 平均起来,一般说来; 一般来说,平均来说
current adj. 1.通用的,流行的。 2.现在的,现时的,当时的。 3.流畅的;草写的。 the current price 市价。 current news 时事。 current expenditure 经常费。 current expenses 日常费用。 the current issue [number] (杂志的)本期。 the current week 本星期。 the current year 今年。 the 10th current [curt.] 本月十日。 current account 往来存款账;【法律】交互计算。 current English 现代通行英语,日常英语。 current handwriting 草书。 current money 通行货币。 current rate 现价,成交价。 current thoughts 现时代思潮。 pass [run, go]current 通用,流行。 n. 1.水流;气流;电流。 2.思潮,潮流;趋势,倾向。 3.进行,过程。 a cold current 寒流。 the Japan current 日本海流,黑潮。 the great current of events 天下大势。 a density 密着(海)流。 an alternating [a direct] current 【电学】交[直]流电。 current of air 气流。 current of time [the times] 时势,时代潮流 (go [swim] with [against] the current of the times 顺应[违反]时势)。
In this article the operation of interleaving two - transistor forward topology and average current - mode control are discussed 本文研究了交错并联双管正激变换器主电路拓扑的工作原理和平均电流控制方式。
The visualization of representative day ( root mean square current , average current and equivalence resistance algorithms ) and allot load according to transform capacity method are realized 实现了代表日方法(包括均方根电流法、平均电流法和等值电阻法等算法)和按配变容量比例分配负荷的方法的可视化。
To make the test process feasible , compile program are carefully generated to let them be able to execute repeatedly by the microprocessor , and the average current consumed by at89c51 is then measured with a simple current meter 测试时,我们让微处理器重复执行选定的测试程序,用普通的万用数字电流表测量微处理器消耗的平均电流。
Static ir drop analysis is based on the average current of the devices . according to different ways of current extraction , static ir drop analysis can be categorized into two major types : area based ir drop analysis and activity based ir drop analysis 静态irdrop分析是以器件的平均电流为基础的,根据器件电流提取方式的不同又可分为基于面积的irdrop分析和基于活动率的irdrop分析两种。
Many control methods are explored , including average current control , peak current control , hysteretic control , nonlinear carrier control , etc . all of these control methods had been implemented by the analog circuits 许多控制策略运用于pfc电路中,如平均电流控制、峰值电流控制、滞环控制等。现今已发展出许多pfc模拟电路专用的控制芯片,如应用于平均电流控制策略的uc3854 3855和ml4824等。
The thesis also analyzes the average current type of pfc , and gives a design of the former pfc circuit of 1100w switching - power . the key practical techniques of the design are discussed . the experiments have been completed and satisfied results are obtained 论文还研究了平均电流型pfc电路,并设计了1100w开关电源前级的功率因数校正电路,分析了其中实用关键技术,完成了实验研究,获得了满意的试验结果。
Based on the summary of the fruits of the research of the active power factor correction , the pfc system , which adopts cuk power converter circuit and average current mode control scheme , is well studied in this thesis 本文在总结有关有源功率因数校正研究成果的基础上,针对目前研究的热点及其发展方向,对单相有源功率因数校正技术作了较为深入的探讨,并提出了将升压型平均电流控制的功率因数校正思想用于cuk型电路拓扑。
The focus of our study is concentrated on a two - state model , in which we choose ( m , k ) = ( 2 , 2 ) and calculate the average current as a function of the transition width , temperature and transition rates . the results are summarized as follows : for small temperature , as well as for very high temperature the current vanishes 计算结果表明,在温度很低或很高时,定向运动的几率流都趋于零;在适当的温度范围内,对于某一确定的跃迁速率,总存在一个几率流的最大值,而且随着速率的增加相应于最大几率流的温度值升高。