同学们，我将给各位布置下一次作业，以此开始今天的课。
I'm going to begin this lecture by giving you your next assignment.
每一次作业中只有随机选取的四个问题会给予评分。
Only four, randomly selected, problems of each assignment will be graded.
他们是体制的产物，很少思考下一次作业以外的问题。
They are products of a system that rarely asked them to think about something bigger than the next assignment.
区块大小是可以在一次作业中加密或解密的资料基本单位。
The block size is the basic unit of data that can be encrypted or decrypted in one operation.
哈哈，无论我是否喜欢，我都必须坚持，这对我来说是一次作业。
Haha . no matter whether I like reading or not, I must keep on. It seems to be an assignment to me.
在这门课离结束还有两个星期的时候，教授布置了最后一次作业，它的分数比重将占到整个课程的50%。
With just two weeks to go until the course was over, the professor issued the last 15 assignment, which would 16 account for a 17 hefty 50 percent of the overall course grade.
由于工作条件相当恶劣，压裂泵的易损件——阀的使用寿命相当低，甚至于不足以完成一次作业(约2.5小时)。
Under the severe operating conditions, the life of its quick-wear parts, valves, is too short to accomplish one run (about 2.5 hours).
我们辅助几何的一次作业。本实验通过点击载入菜单下的载入OBJ来读取数据文件，保存OBJ可以保存你所操作细分的数据。
This experiment by clicking the loading menu loading OBJ to read the data file, save OBJ operation can save you a breakdown of the data.
对于那些不可预计的影响，例如疾病或者紧急事件，授课或者辅导老师将根据他们的判断删除一次作业或者不将这次作业的成绩计入最后成绩。
For unforeseen circumstances such as illness or emergencies, the lecturer or recitation instructor, at their discretion, may delete one problem set from the calculation of the homework grade.
我认为我不需要再讲一次你们下节课的阅读作业；有一个图表已经说明地非常清楚了。
I don't think I need to draw any echoes, your reading assignment for the next class; it has a diagram that shows this very clearly.
有一次，教授并没有要求学生购买教科书，只是需要作业提交的访问码。
In one case, the professor didn't require students to buy a textbook, just an access code to turn in homework.
她仍然记得第一次因为高昂的价格而不交作业的痛苦感受。
She still remembers the sting of her first experience skipping an assignment due to the high prices.
凯利可以坐好几个小时不动，经常坐下一次就完成了所有的作业。
Kelly can sit for hours without moving, and often gets all her homework done in one sitting.
作业对各订单id执行一次数据库查询。
两年以后，原告在厄瓜多尔提起了诉讼，这一次，雪佛龙成了被告，尽管雪佛龙当时在厄瓜多尔没有作业，并且现在也没有。
Two years later the plaintiffs refiled the suit in Ecuador, this time naming Chevron as the defendant, even though Chevron didn't have operations in ecuador-and still doesn't.
如果我们必须根据，这一次考试决定-，忽略平时小测验，忽略你们的家庭作业，只看这次考试-，那么及格线，会是65分。
If we had to decide - on this test alone — forgetting your quizzes, forgetting your homework, - on this test alone — the dividing line between pass and fail would be 65.
如我所忆，那个时候，我们很少追求其他东西，比如艺术，都是每天晚上没完没了的作业和每两月一次的学校考试。
There was, for as long as I can remember, little pursuit of other things like, say, art, besides doing homework every night and taking school tests every two months.
如果您希望一次运行多个作业，可以简单地将- j3添加到scons命令行中，这与GNU make非常类似。
If you want to run more than one job at once, just add -j 3 to the scons command line, same as for GNU make.
启动Anacron和运行作业之间的延迟，单位为分钟，前提是自最后一次运行之后所经过的时间超出了运行时间。
The delay, in minutes, between the launch of Anacron and the running of the job, if the time since the last run exceeds the run period.
考虑添加cron作业来提醒自己每月至少检查一次备份。
Consider adding a cron job to remind yourself to check your backups at least once per month.
周期是天数，但是可以指定为 @monthly，这确保作业每个月只运行一次（无论这个月中有多少天）。
The period is a number of days, but may be specified as @monthly to ensure that a job runs only once per month, regardless of the number of days in the month.
一个建议：在GAE内建立cron作业以便每2到3分钟加载一次您自己的网站，从而保持JVM活跃。
One tip: Set up a cron job inside GAE to load your own website every 2 to 3 minutes to keep the JVM active.
NASA的太空作业首席助理Bill Gerstenmaier说，这是太空残骸最接近国际空间站的一次。
The US space agency's (Nasa) Associate Administrator for space Operations, Bill Gerstenmaier, said it was the closest a debris object had ever come to the station.
尽管对于经常关闭的系统来说，Cron会造成一些严重的问题，但是，对于经常运行的作业，比如远程邮件服务器上每小时进行一次的新邮件检查，Cron仍然是一个重要的工具。
Although Cron has serious problems on a system that is shut down regularly, it is still the tool of choice for jobs that run frequently, such as hourly checks for new E-mail on a remote mail server.
由于这是一项必须定期执行的作业，仅仅输入一次Anacron是远远不够的。
As this is a task that must be done regularly, it's not enough for you to simply type Anacron once.
每次运行时，Anacron将检查作业列表以了解自最后一次运行某个作业后，是否超过了该作业的指定时间间隔。
Each time it runs, Anacron checks its job list to see if it's been longer than the specified interval since a job was last run.
每一次当我给我负责的那班大学生布置作业的时候，我都问他们是否有疑惑。
Every time I give an assignment to my college students, I ask if they have questions.
每一次当我给我负责的那班大学生布置作业的时候，我都问他们是否有疑惑。
Every time I give an assignment to my college students, I ask if they have questions.
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