但是研究显示，孩子花费越多的时间在荧屏前，不管是电视还是即时短信，他们的学习成绩就会越差。
But research has shown that the more time kids spend in front of screens - whether it's TV or instant-messaging - the worse their school performance.
还可以使用- D开关显示每个系统调用的时间差，时间差表示自前一个事件以来流逝的秒数。
You can also use the -d switch to display each system call with a time delta, representing the elapsed time in seconds since the last event.
那么，沃兹先生是怎样处理考场作弊案的呢？记得经过几次堂上考试后，沃兹先生发现我的前、后、左、右的邻座的考试成绩都不低，而且是以我为核心向四周“辐射”——离我越近的成绩越好，越远的越差。
I remember many times after tests, Mr. Ward found that the students sitting around me had better scores than the others and the further away a student was from me, the worst his grade.
差的投资者只提供2个名字，并且要求你给予时间进行调查前的准备。
The bad ones will give you two names and ask for time to prep them ahead of time.
但是人员的迁居和居民的回流已使萨斯喀彻温省的人口数量超过100万——尽管同百年前预计的1000万相差甚远，但仍可视做一个里程碑。
Migrants and returning residents have nudged Saskatchewan's population back over 1m-a far cry from predictions of 10m made a century ago, but seen as a milestone nonetheless.
自前国内航空运输市场还只是一个初级市场，市场发育不成熟，缺乏自我调节功能，市场稳定性差。
From before domestic aviation carriage market still is a primary market only, market growth is immature, lack ego adjustment function, market stability is poor.
安装前要对起重机安装跨度，金属结构主梁的拱度、水平旁弯，小车轨道高低差、轨距偏差，桥架对角线等进行测量。
To install the crane span before installation, camber, level of metal structure of main girder bending, trolley rail height difference, gauge deviation, diagonal bridge survey.
不管怎么说，它一直以来是电影制作方日益普遍的做法，但，没有在公映前放“电影专场”通常可能是影片卖座的好征兆，又或是该片认真的差。
However, it's been an increasingly common practice for studios to NOT screen a movie in advance, which is usually a pretty good sign that the movie is really bad.
采用前向差分预测能够较准确地预测出下一时刻的信号强度，提高了切换触发速度和切换判决精度。
And it is combined with the forward difference prediction for the signal strength of next time to improve the handoff accuracy.
天文时纬残差震前异常是一种相当普遍的现象。
Anomalies of astronomical time-latitude residual before earthquakes are considerably general phenomena.
在网平差前，对平差网进行优化设计是必要的。
Optimum design of network adjustment is indispensable before carrying out the adjustment.
为在压气机整机进入深度失速前检测到失速起始信号，提出了一种基于平均数值差分的短周期扰动检测方法。
To detect stall inception signal before the whole compressor running into deep rotating stall, a method based on averaged numerical difference is developed to detect short length scale disturbance.
美国养猪生产一半以上都是排名前25个最大的实体企业生产的，那么他们的平均数怎么会和19差很多呢？
Half of U. s production is produced by the top 25 largest entities, how can they on average be much different then 19.
西尔斯前首席执行官阿瑟·马丁内斯称，西尔斯假日销售额急剧下跌“令人非常不安”，他想知道这么差的表现兰伯特还会持续多久。
Former Sears CEO Arthur Martinez calls the plunge in holiday sales at Sears "very troubling" and wonders how long Lampert can sustain such a poor showing.
本文介绍了基于广角隐式有限差分单程波传播算子的起伏地表叠前深度偏移方法，并对SEG山前带推覆构造模型进行了检验。
The paper introduced the prestack depth migration from relief surface based on implicit wide-angle finite-difference one-way propagation operator and used SEG piedmont nappe structure model for test.
然而，令人苦恼的是这个滨水区(改造前)的环境非常差，不仅与城市水系断开，而且不能解决城市带来的环境问题。
However, the distressing fact is that the existing waterfront is poorly-made and, not only divides the water from the city, but also fails to solve the environmental problems of the city.
焊接性差，焊前应预热。
研究了半锥角和液膜破碎前长度随液压差的变化规律。
The variations of nozzle liquid pressure on half-cone angle and breakup length have been analyzed.
水平好的与差的写作者在写作过程中采取的策略不同，而写前的不同策略是导致文章成败的根源。
The writers of high level would adopt different maneuvers from ones of low level, which is the origin of the success or failing of articles.
逐步线性回归则显示病前关系差及照料者的文化程度低不利于照料者的心理健康。
By using Stepwise Liner Regression, bad relationship to patient before dementia and low education in caregivers were identified as risk factors for bad mental health status of caregivers.
隔膜形成为使得隔膜的前表面和后表面的气压差最大，这样，从而形成它的凹形形状和凸形形状中的任意一个。
The diaphragm is formed to make maximum a difference in air pressure of the front surface and the rear surface of the diaphragm, thereby forming any one of concave and convex shapes thereof.
自打从7年前以空中国民警卫队的工作人员加入到C-130J的项目中算起，我已经接触过了太多有关这种飞机是如何的好或者是如何的差的评论。
Since becoming involved in the C-130J program as an Air National Guard operator more than seven years ago, I have endured opinions about how good or how bad the aircraft is.
之后，通过合理控制前固定组球差及后固定组焦距，使变焦过程中的像面保持稳定。
Then, image surface position was kept steady during a zooming process by controlling the spherical aberration of front fixed group and the focal length of back fixed group.
记得经过几次堂上考试后，沃兹先生发现我的前、后、左、右的邻座的考试成绩都不低，而且是以我为核心向四周“辐射”——离我越近的成绩越好，越远的越差。
I remember many times after tests, Mr. Ward found that the students sitting around me had better scores than the others and the further away a student was from me, the worst his grade. Mr.
要求电网与发电机组在允许的压差、频差条件下，在导前合闸角到来时，发出并网指令，使发电机组平滑无冲击的并入到系统电网中。
When the phase of closing breaker is coming, the device sends out the dictation to put the dynamo into the power system smoothly and rapidly.
附加系统参数的混合平差模型中 ，同时含有非随机系统参数和具有验前统计性质的随机系统参数。
The mixing adjustment model with systematical parameters is an adjustment model including both non random systematical parameters and random systematical parameters.
附加系统参数的混合平差模型中 ，同时含有非随机系统参数和具有验前统计性质的随机系统参数。
The mixing adjustment model with systematical parameters is an adjustment model including both non random systematical parameters and random systematical parameters.
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