他不定期地看望父母。
1995年以来，多次不定期地举行。
他不定期地来探访我们。
既然约翰只是不定期地打电话给我，我不觉得他喜欢我。
不定期地对供应商的HSE进行稽核并要求做出改善措施。
Aperiodically audit the suppliers' HSE implement situations and push them to give the improvements.
托德：那你们是会唱同样的歌，还是球队会不定期地更换新歌？
Todd: Now is it always the same songs, or do the team come up with new songs from time to time?
甲方可以根据工作需要不定期地对乙方进行所必须的教育与培训。
Party a may educate or train Party B irregularly when necessary in the light of the working requirements.
全系统备份本身就是很好的主意，我希望您不定期地对系统进行备份。
Full system backups are good things in their own right, and I hope you back up your system on at least a semi-regular basis.
财会部门应定期和不定期地与相关管理部门和人员清点核对有关权益证书。
The accounting department shall, at regular or irregular intervals, count and check the relevant equity certificates with the relevant management department and staff.
闲适地或不定期地从一个地方到另一个地方，尤指无目的或无固定职业地。
To move leisurely or sporadically from place to place, especially without purpose or regular employment.
在经过一段时间后，可能会有很多临时证书，因此应不定期地清除临时证书。
There can be many temporary certificates after a while, so you should clear the temporary certificates occasionally.
每天晚上关灯之前花一点时间读上几页书要比时不时不定期地花上个把小时来读要好。
A short time spent on these pages before you turn the lights out each night is better than an irregular hour now and then.
那些只不过沦为俘虏的幸运的人被随便地赶入有刺铁丝网包围的拘留营不定期地关押起来。
Those lucky individuals who are merely taken prisoner are unceremoniously herded into holding camps, hemmed in by barbed wire for an indefinite duration.
质量保证应不定期地在甲方的指导或建议下由乙方子公司自己（成立的）质量部门实施进行。
Party B's branch company should have its own Quality Department to carry out the quality assurance for the company according to the instruction or advice provided by Part A from time to time.
账号收割器运行在每个账号服务器上，不定期地扫描服务器的账号数据库中标记为删除的数据。
The account reaper runs on each account server and scans the server occasionally for account databases marked for deletion.
每当在对nmon进行更新时，同时也将对该工具进行更新，另外，还可以不定期地更新该工具以获得新的功能。
The tool is updated whenever nmon is updated, and at irregular intervals for new function.
理事会有权不定期地定义“舞台监督”一词的含义，并且可以变更、改变或者修改以上所述舞台监督的含义。
The Council shall have the power from time to time to define the meaning of the words "Stage manager" and may alter, change or modify the meaning of Stage manager as herein above defined.
土地利用动态监测的目的在于定期或不定期地了解土地利用的动态变化趋势，为土地资源的规划和治理提供依据。
Land use change monitoring is a long-term task, its purpose is to find out about the land use change periodically or non-periodically and provide information for planning and administering.
在全寿命周期内，公司将不定期地派出有关人员走访船舶使用方，了解船舶使用状况、征求船舶使用方意见并处置有关售后服务事宜。
With the life-long service period, the shipyard will irregularly send relevant persons to the ship users to know the ship's status or to take advice or to handle after-sale issues.
本文主要论述了不定期票在各航班的优化控制方法，此方法建立在民航业经典的舱位控制理论之上，可以很好地与现有收益管理系统相结合。
In this article an optimal method is set up. The method is built on classic seat inventory control theory, so it can combined with revenue management system presently.
本文主要论述了不定期票在各航班的优化控制方法，此方法建立在民航业经典的舱位控制理论之上，可以很好地与现有收益管理系统相结合。
In this article an optimal method is set up. The method is built on classic seat inventory control theory, so it can combined with revenue management system presently.
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