1·Mailing lists are updated periodically.
邮寄名单定期更新。
—— 《牛津词典》
2·Meetings are held periodically to monitor progress on the case.
定期召开会议监控案件的进展情况。
—— 《柯林斯英汉双解大词典》
3·Periodically, starfish population explodes.
海星的数量会周期性地激增。
4·For reasons not fully understood, the field itself reverses periodically every million years or so.
由于一些尚不完全清楚的原因，该领域本身大约每隔百万年就会周期性地翻转一次。
5·It might be that yawning helps to clear out the lungs by periodically lowering the pressure in them.
打哈欠可能通过周期性地降低肺部的压力来帮助清理肺部。
6·If lifelong learning were to become a priority and the new norm, diplomas, just like passports, could be revalidated periodically.
如果终身学习成为优先事项及新常态，文凭就要像护照一样定期核验生效。
7·It is long known that Earth's orbit around the Sun changes periodically, cyclically affecting the way solar radiation strikes the Earth.
人们早就知道，地球围绕太阳的轨道会周期性地变化，周期性地影响太阳辐射照射地球的方式。
8·Periodically review their emerging strengths and weaknesses with kids and work together on any shortcomings, like difficulty in communicating well or collaborating.
定期与孩子们一起回顾他们新表现出来的优点与缺点，然后共同努力克服诸如难以与人沟通或协作的困难。
9·Some of the nicest homes in Florida are periodically crushed by hurricanes.
佛罗里达州一些最好的房屋经常遭到飓风的破坏。
10·The inclination, or tilt, of Earth's axis also varies periodically, moving between 22 degrees and 5 degrees.
地轴的倾角也会周期性地变化，在22度到5度之间移动。
1·A feed source is nothing but a URL at which a particular content provider periodically syndicates the content for a given information category.
提要源只不过是一种URL，在这个URL，特定的内容提供者定期地为给定的信息类别连锁内容。
2·These databases can also periodically synchronize with enterprise databases to capture data on the client for use by the client application when the user is offline.
这些数据库还可以定期地与企业数据库进行同步，从而将用户离线时客户机应用程序需要的数据捕捉到客户机上。
3·I still need to periodically delete my front page from the cache if I ever want that page to expire.
我还是需要定期地从缓存中删除前页，这样我才能使该页期满终止。
4·All three periodically inspected Pansy's face and limbs, with Chippy at one point touching her neck.
它们三个定期地来检查潘茜的脸和肢体，奇皮有一次还摸了她的脖子。
5·In the fourth step, you periodically reassess risk assessment program as impacted by new risks, cost-effective security controls, emerging infrastructure technologies, and new legislations.
在第四步中，定期地重新评估风险，因为新的风险、安全控制措施、基础设施技术和法律会影响安全状况。
1·It might be that yawning helps to clear out the lungs by periodically lowering the pressure in them.
打哈欠可能通过周期性地降低肺部的压力来帮助清理肺部。
2·Remember that this baseline information might have to be refreshed periodically.
请记住，可能需要周期性地更新这个基准信息。
3·To solve these problems, drop the extraneous index, add a new index, or periodically clean out the large volume of obsolete data in some tables.
要解决这些问题，可以删除无关的索引，添加一个新的索引，或者在某些表中周期性地清除大量过期的数据。
4·The mechanism (out of scope for this pattern) would run periodically to remove entity records that shouldn't be migrated from an alternate source to the preferred source.
这种机制（超出了这个模式范围）将周期性地运行，以删除那些不应该从备用源迁移到首选源的实体记录。
5·Also depicted in Figure 1 is the profiling framework that observes the executing program's behaviour by periodically sampling the threads to find frequently executing methods.
图1中还描述了用于观察执行程序行为的分析框架，通过周期性地对线程取样找出频繁执行的方法。
1·These work in conjunction with SCM systems to automatically watch the code repository and build the system (including running tests and packaging artifacts) periodically or whenever anything changes.
它们与SCM系统联合，自动地观察代码存储库，并周期地或在有任何变更的时候构建系统(包括运行测试和打包工件)。
2·Alternating current is the current whose direction changes periodically.
交流电是其方向周期地变化的电流。
3·The simplest imposed conditions are those in which the loading is periodically and uniformly repeated.
最简单的加载情况是周期地、均匀而重复地施加的载荷。
4·The guided drilling system includes a drill string configured to continuously and accurately bore a hole in the ground without the need to periodically break the connection of the drill string.
该定向钻探系统包括一根构成能连续地和精确地在地面上钻孔并且无需周期地断开其连接的钻杆柱。
5·Thereby plot attached to the cartridge on the dust periodically pulse cleaning the normal purge gas through the dust removal system is running.
由此使积附在滤筒上的粉尘周期地脉冲喷吹清灰，使净化气体正常通过，保证除尘系统运行。
1·Overflow channels that have become shallow lakes, periodically recharged with water and fish by the floods, pattern the landscape.
已经变成了浅湖的泛滥河道偶尔还会因洪水而再度溢满，风景如画的美丽湖泊于是成为了鱼类的天下。
2·Still, if the credits were right or the challenge appealed to him, he would don his battle armor periodically and venture from his hiding place.
不过，如果赏金令人满意，或者挑战有足够的吸引力时，詹戈·费特仍会偶尔穿上战斗盔甲，离开他的隐蔽住所，外出冒险。
3·Neptune also continues to wander through your sign, periodically getting lost and perhaps confusing you in the process.
海王星仍在你的星座继续漫步，偶尔的迷路或许会让你有些困惑。
4·Experts say it matters when a pregnant woman drinks, how often she drinks and what her pattern of drinking is: whether she drinks small amounts daily or periodically binges.
专家们说，这取决于女士的饮酒的频率与量的大小：看她们是每天都少量饮酒还是偶尔酗酒。
5·Watermelons are a mysterious motif in Zeng's career, appearing periodically in large and small canvases.
在曾梵志的艺术生涯里，西瓜是诡秘的主题，偶尔出现在大小画作。