1)somewhile[英]['s?mhwail][美]['s?m,hwa?l]时常
英文短句/例句
1.and it is common practice for people to go back to school from time to time,人们时常返回学校学习，这已成为常事，
2.My child often grinds his teeth together when he is asleep我的孩子睡着时常常磨牙。
3.He was troubled by false memories occasionally.他有时常常会有这种假记忆。
4.Regular inspection of areas not normally manned24 hours a day.常规检视，并非一天24小时常有人看管。
5.The wind often dies down at sunset风常常在日落时停止。
6.When the waves become heavy, they often dash over the sea wall.浪大时，常常冲过防波堤。
7.While reading, he fluffed frequently.他读的时候常常读错。
8.When I was a child, I used to go to the river and bathe in the evening.小时候，我常常在傍晚时去河里游泳。
9.The Victorian Age is often boasted of as an age of progress.维多利亚时代常常被夸耀为进步时代。
10.put the clock/clocks forward/back;(in countries which have official summer time)change the time,usu by one hour,at the beginning/end of summer（夏时制）将时钟拨快[拨回]（通常为一小时）
11.Thank you so much [very, very much] for sparing your valuable time.费你这么多宝贵时间，非常[非常非常]感谢。
12." She would just sit for hours with her head hung low, looking sad."她常常低着头孤坐几个小时，看上去非常痛苦。”
13.Many young people were so interested in the football game that they lost sight of time.许多青年人对足球赛非常感兴趣，常常忘了时间。
14.She often puts in twelve hours' work a day.她常常一天工作十二小时.
15.It is often cold in November and it rains sometimes.到11月天气常常是冷的，而且有时下雨。
16.It often causes a lot of inconvenience when buses come late.公共汽车晚点时,常常引起许多不便。
17.Thank you very, very much for sparing your valuable time.耽搁了你宝贵的时间，非常非常感谢。
18.When Herbert was young, he often made a face at class.郝伯特小的时候，他常常上课做鬼脸。
相关短句/例句
Time constant时间常数
1.Influence of excitation time constant on dynamic stability of power system;励磁机时间常数对电力系统动态稳定性的影响
2.Time Constant of Thermal Sensor and It s Measuring Method;温度传感器的热时间常数及其测试方法
3.A method of how to increase the time constant in RC circuit;RC电路时间常数的一种增大方法
3)normal moveout正常时差
1.The stack method after normal moveout is not effective.本文针对因存在噪音和信号比较弱 ,致使正常时差 (NMO)校正迭加方法难以奏效的问题 ,提出提高信噪比和增强反射信号同相轴连续性的共反射面元 (CRS)迭加方法 。
2.In view of the situation that normal moveout correction stack method could not work very well for the low signal to noise ratio, we give an enlarging common reflection surface stack method to raise signal to noise ratio and enhance reflect wave s continuity.因此 ,针对因地震资料的信噪比较低而导致常规的正常时差校正叠加方法难以奏效的情况 ,提出了提高信噪比和增强反射波连续性的扩大反射面元叠加方法。
4)time constants时间常数
1.The numerical calculation of transient flow through a spool valve indicated that the time response of the flow rate could be explained by an exponential function as the same as the pipe orifice flow with distinct characteristic time constants.数值计算的结果说明了滑阀内流量的时间响应和管节流孔一样可用具有两个不同的时间常数指数函数来表示。
2.The time constants of dark decay and opticagerasure for gratings recorded in this crystal by two-color holography are further investigated.同时还研究了LiNbO3∶Fe∶Cu晶体中的暗保存时间、光擦除时间常数以及用脉冲光作门光束时的双色存储性质。
3.The definition of an initial sub-system is given, and a method for the determination of integral controllability of systems based on the time constants of hydraulic elements and pipe segments is developed.依据水力元件与管道的时间常数给出系统整体可控性的判别方法 :对一个有压瞬变流系统 ,除起始子系统以外 ,如果存在时间常数为无穷大的水力元件或管道 ,则它是整体不可控的 。
5)time exception时间异常
1.To handle the time exception in workflow operation,the requirements of time exception handling in workflow operations were analyzed.为有效地处理工作流运行中出现的时间异常,分析了工作流系统对时间异常处理的需求,给出了工作流时间异常处理和工作流时序约束相关活动的定义,提出了时间异常的分类方法和时间异常传播的计算方法,并在此基础上提出了一套行之有效的时间异常处理方法。
6)time constant时间常量
1.It is pointed out that the key problem in application of the three-factor rule for transient state processes is finding the time constant correctly.指出暂态过程三要素法应用中的关键问题是正确地求出时间常量τ,并举例作了具体说明。
2.The relationship between the decay time constant of response signal and the thickness of YBCO thin film was studied.生长在倾斜SrTiO3 衬底上的YBCO薄膜具有激光感生电压效应 ,响应信号的衰减时间常量与薄膜的厚度有确定的关系 。
延伸阅读
时常1.常常;经常。
