The ratio of working time to standby unattended time of the tubular electric heating elements is less than 1 when the tubular electric heating elements work at interval.
所述电热管间隔工作时电热管的工作时间和非工作时间的比值小于1。
Other real-time systems use algorithms to detect suspicious behaviour, such as a group loitering near a door where entry is barred, or to spot items of luggage that seem to have been left unattended.
其它实时系统则利用一些算法来检测可疑的行为，比如一群人在一条被封住入口的门边徘徊，抑或定位那些看起来被人落下无人看管的行李物品。
Tooth problems left unattended can become worse over time and may lead to more severe problems.
长期放任牙齿问题不管会令它越来越严重，并可能导致诸多严重问题。
Sprinklers, garden irrigation systems and unattended hoses are not permitted at any time.
严禁使用花洒、自动喷灌系统以及无人值守的灌溉系统。
Cash drawers must never be left unattended, even for a short period of time, unless it is locked first.
随时保持注意现金抽屉，人不在时，一定要上锁。
Screw compressor a high degree of automation, the operating personnel are not after a long time of professional training, which can realize the unattended operation.
螺杆压缩机自动化程度高，操作人员不必经过长时间的专业培训，可实现无人值守运转。
The program is well-suited for long time unattended recording and you don't miss the start of a song or sound.
该方案是良好的，长期无人值守录音适合你不要错过一首歌曲或声音的开始。
Please do not leave your under age children unattended, and pick up your school children on time after classes.
上课前后，请看管好自己的孩子。放学时，按时接走孩子。
The space station astronauts will remain in orbit till mid-November. If a replacement crew is not launched before then, the station will be left unattended for the first time.
在发射失败的原因查明之前，将不会再向国际空间站运送其他宇航员。
The space station astronauts will remain in orbit till mid-November. If a replacement crew is not launched before then, the station will be left unattended for the first time.
在发射失败的原因查明之前，将不会再向国际空间站运送其他宇航员。
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