• This paper is based on statistical theory, describes the statistical average and time average of the turbulence.

    本文以紊流统计理论为基础,介绍了紊流的统计平均和时间平均。

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  • The observation content included the flow pattern, time average pressures, flow velocities, fog rain and inspection in situ.

    其观测内容包括流态、时均压力、空化噪声、流速、雾雨。

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  • We find that external noise can destroy the periodicity of the transient current and cancel the long-time average current peaks.

    我们发现噪声可以破坏瞬时电流的周期性并削减长时平均电流的峰值。

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  • In this paper, the phase continue scan is combined with the sinusoidal phase modulation to determine the vibration amplitude of object by time average ESPI.

    利用光学连续相位扫描和正弦相位调制相结合,提出一种ESPI时间平均测振的定量分析方法。

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  • This paper presents the successful use of multiple holographic interferometry in realizing the holographic real time double exposure (time average) interferometry.

    提出了利用多重全息成功地实现实时-双曝光(时间平均)的全息干涉术。

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  • "Traverse hypothesis" provides a theoretical basis for the statistical turbulence experiment research using time average, also makes the experiment achievable in reality.

    “遍历假说”的提出为统计紊流试验研究采用时间平均提供了理论依据,也使得试验工作在现实中是可以实现的。

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  • The characteristics of time average pressure of skimming flow in stepped spillway are studied through experiments, and the law of occurrence and transformation are discussed.

    通过模型试验,对台阶式溢洪道滑行水流的时均压强特性进行了研究,探讨了台阶上时均压强的产生和变化规律。

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  • Time average interference measurement method is used in the experiment, and the vibration interference patterns of the object with different vibrating frequencies is obtained.

    实验中采用时间平均干涉测量法,得到了不同振动频率下物体的干涉图形。

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  • Results:The peak systolic velocity and the time average velocity of the central retinal artery of the affected eyes were lower than those of the patients healthy eyes(P<0 0001).

    结果:患眼的视网膜中央动脉收缩期峰值血流速度、平均血流速度均低于对侧眼(P<0.0001)。

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  • Three photographs, in which the shape of the image is the same, but the fringe distribution is different, can be obtained by time average holographic technology with three-images.

    在同一振动状态下,可以用重象法摄制振动物体的时间平均全息照片,从而获得三张形状完全相同而条纹分布不同的全息照片。

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  • The endpoint detection based on short-time average magnitude of speech signals relative autocorrelation sequences can be detected in high accuracy under the low signal-to noise ratio.

    在较低信噪比情况下,基于语音信号的短时相对自相关序列的短时平均幅度的端点检测能够获得较高的检测精度。

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  • Brings forward adaptive noise reduction system based on short time average magnitude, expound its work principle and key technology, at last validate the compose is just through experimentation.

    提出基于短时平均幅度比的自适应降噪系统的构想,阐述了系统的工作原理和关键技术,并通过实验对该构想的正确性进行验证。

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  • 35% of staff time was being spent on repeating work, about the average for a service industry.

    员工35%的时间花费在重复劳动上,大约是服务业的一般水平。

    《柯林斯英汉双解大词典》

  • The average time for holding a stock in both the United States and Britain, he notes, has dropped from seven years to seven months in recent decades.

    他特别提到,最近几十年,无论是在美国还是在英国,持有一支股票的平均时间都从七年下降到了七个月。

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  • Nowadays, the average weekly screen time for children is twice as much as it was five years ago.

    如今,孩子们平均每周看电子屏幕的时间是五年前的两倍。

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  • Various interventions, such as infection-fighting drugs, can increase a population's average survival time, but only approaches that slow the body's rate of aging will increase the maximum lifespan.

    各种干预措施,如抗感染药物,可以增加人口的平均存活时间,但只有那些减缓人体衰老速度的方法才能延长最长寿命。

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  • By 2016, the average American high school senior said they spent six hours a day writing text messages, on social media, and online during their free time.

    截至2016年,美国高中高年级学生说他们在空闲时间里平均每天要花6个小时的时间写短信、上社交媒体以及上网。

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  • They found that the average person's mind wandered most frequently about 65% of the time during personal activities, such as brushing their teeth and combing their hair.

    他们发现,一般人在刷牙、梳头等个人活动中最常走神,约有65%的时间在走神。

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  • The next question is, are the drops in average well-being happening at the same time as trends toward increased electronic device usage?

    下一个问题是,平均幸福感的下降是否与电子设备使用量的增加同时发生?

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  • Time spent playing video games rose from under an hour a day to an hour and a half on average.

    人们花在玩电子游戏上的时间从平均每天不到一小时增长到一个半小时。

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  • In many countries, part-time studying is not exceptional: on average across OECD countries, part-time students in 2016 represented 20 percent of enrolment in tertiary education.

    在许多国家,半工读并不罕见。2016年经合组织(OECD)成员国半工读学生人数平均占高等教育入学人数的20%。

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  • When foods present no worry to the average, people begin to focus more on interests on handsome appearance and happy leisure time.

    当人们不再担心食物时,他们开始把更多的兴趣集中到漂亮的外貌和快乐的休闲时间。

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  • The average amount of time between floodings wasn't actually 354 days.

    洪水间隔的平均时间实际上不是354天。

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  • You can do this work by checking the average response time of all the commands in our test report.

    您可以通过检查我们的测试报告中的所有命令的平均响应时间,来完成这一工作。

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  • The average amount of time spent washing clothes also increased for rural households with no access to professional laundries.

    在没有专业洗衣店的农村家庭,洗衣的平均时间也增加了。

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  • As Kunar and Horowitz report, those who were making the equivalent of a hands-free call had an average reaction time 212 milliseconds slower than those who were not.

    库纳尔和霍洛维茨报告说,那些使用免提电话之类的人,他们的平均反应时间比不使用免提电话的人慢212毫秒。

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  • The average amount of time a patient spends with a physician during an office visit has actually increased somewhat over the last ten years.

    在过去十年中,病人与医生在一起的平均时间实际上有所增加。

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